<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2024 Workiva-->
<!--r:1571e185-d7d2-489d-af5c-fccb94f4e9b2,g:0492c38f-f118-4d33-bcf1-df7689a3453e-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://pwp.com/role/Cover" xlink:type="simple" xlink:href="pwp-20240503.xsd#Cover"/>
  <link:presentationLink xlink:role="http://pwp.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_0ae49ecb-5cc7-44e1-8780-47464b4fa1cf" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_DocumentType_0ae49ecb-5cc7-44e1-8780-47464b4fa1cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_78b0464b-a34f-4862-ade6-0d5c5bbb5391" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_DocumentPeriodEndDate_78b0464b-a34f-4862-ade6-0d5c5bbb5391" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_31ce77e7-311a-4c76-9236-8db76d9cee19" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_EntityFileNumber_31ce77e7-311a-4c76-9236-8db76d9cee19" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_fdc1d5e6-70eb-4c5d-ace8-72102263873d" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_EntityRegistrantName_fdc1d5e6-70eb-4c5d-ace8-72102263873d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_63b0c8d4-276e-4b90-802c-8e9b3aa6ad6b" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_EntityIncorporationStateCountryCode_63b0c8d4-276e-4b90-802c-8e9b3aa6ad6b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_04341215-5c9d-47e3-bcf3-a7439344474f" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_EntityTaxIdentificationNumber_04341215-5c9d-47e3-bcf3-a7439344474f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_fd3bc0b7-f204-4ef9-aa7b-0b9a2367415c" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_EntityAddressAddressLine1_fd3bc0b7-f204-4ef9-aa7b-0b9a2367415c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_46139867-9c0c-4806-8e61-c70037c93d0e" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_EntityAddressCityOrTown_46139867-9c0c-4806-8e61-c70037c93d0e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_d6fdcc55-1945-4876-ab56-6c74b8424fcd" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_EntityAddressStateOrProvince_d6fdcc55-1945-4876-ab56-6c74b8424fcd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_b9aebce6-fd83-4829-a48c-e6c86613e43f" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_EntityAddressPostalZipCode_b9aebce6-fd83-4829-a48c-e6c86613e43f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_516816e5-7235-489c-a386-9dc89cf5d3ef" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_CityAreaCode_516816e5-7235-489c-a386-9dc89cf5d3ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_24c50b22-e73c-42a8-9490-465747f20e29" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_LocalPhoneNumber_24c50b22-e73c-42a8-9490-465747f20e29" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_06e35b35-c1d8-4884-bacd-890097a4a9d8" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_WrittenCommunications_06e35b35-c1d8-4884-bacd-890097a4a9d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_9eb6a7c3-0492-4fd8-bb39-8321811d5d44" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_SolicitingMaterial_9eb6a7c3-0492-4fd8-bb39-8321811d5d44" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_6bd45749-c648-4fd8-8879-005ce898eb89" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_PreCommencementTenderOffer_6bd45749-c648-4fd8-8879-005ce898eb89" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_a3c018f2-ae77-4a02-b9bc-40b300ebec60" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_a3c018f2-ae77-4a02-b9bc-40b300ebec60" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_59df3c26-a167-43dc-b39b-7e915fcdb2d9" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_Security12bTitle_59df3c26-a167-43dc-b39b-7e915fcdb2d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_a7ecf2f5-c306-4e1d-a2da-e9523c16ce55" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_TradingSymbol_a7ecf2f5-c306-4e1d-a2da-e9523c16ce55" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_321f685a-6f69-4b0b-a2e3-32e698fcb681" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_SecurityExchangeName_321f685a-6f69-4b0b-a2e3-32e698fcb681" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_76cae395-8275-41a7-8159-67bb2f547561" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_EntityEmergingGrowthCompany_76cae395-8275-41a7-8159-67bb2f547561" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityExTransitionPeriod_a595197f-5362-4a9e-a719-f840d04f0388" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityExTransitionPeriod"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_EntityExTransitionPeriod_a595197f-5362-4a9e-a719-f840d04f0388" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_a595f4ab-61bf-48a0-a19c-71c9f222a3ee" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_EntityCentralIndexKey_a595f4ab-61bf-48a0-a19c-71c9f222a3ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_0a452985-197e-494f-af98-fc1f4ec2786f" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_CityAreaCode"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_a325e43f-e173-4203-bc60-8380e16e8466" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LocalPhoneNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_86380ff9-31a2-428a-9ab4-62803aa1a077" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="25" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_e81ed48b-0d2c-4ae2-bab7-571bcd22a210" xlink:to="loc_dei_AmendmentFlag_86380ff9-31a2-428a-9ab4-62803aa1a077" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
