Audience Overlap in AEP

Hi @scb21,

Yes AEP does provide an audience overlap report based on Profiles and Segments. Please check below links for more details:
a. Audience Overlap Report for Profiles: https://experienceleague.adobe.com/docs/experience-platform/dashboards/guides/profiles.html?lang=en#audience-overlap-report 
b. Audience Overlap Report for Segments: https://experienceleague.adobe.com/docs/experience-platform/dashboards/guides/segments.html?lang=en#audience-overlap-report 

To add an audience overlap report for the segment, please follow the below steps:

1. Goto Segments -> Overview

2. Add Widget -> add Audience overlap

Hope this information helps. Happy learning, and keep sharing! 

Best,

Ankit Bhatt