The most important thing for us is we should not miss any tracking related information such as, visits, pageUrl, search tracking, etc, so what you can do is you can ask the team who is performing UAT to share the list of URL which they are going to test or the other approach is you can create some pages and assign it to the people who are going to perform UAT. the advantage with this is you can generate reports based on assigned pages, if any page is not tracked or custom event is not fired then you can check with that respective person and ask him/her to submit once again for troubleshooting purpose.
if everything is tracking properly in the reports then you can build reports in the workspace and share it with the UAT team.
You can also ask the UAT team to install a adobe cloud debugger chrome extension and test the pages, events, etc. while testing ask the team to check in DPD, if any event or page view record is not appearing in the DPD ask them to report a defect and also same thing is not appeared in the workspace reports then you can consider it as a bug
You can also schedule a call with all UAT members and perform UAT in the screen sharing session
You can follow any of the above approach.
Important thing is, you must build a workspace project to showcase reports to the client, the reports will give more clarity to the client and avoid lot of confusions