Grant channel access, remove members, audit shared files. Every one is ready to run, and you can adjust it in plain language.
Remove flagged, unapproved people from product channels and report the result.
Keep your discussion channels aligned with access reviews, and give reviewers before and after member lists.
Share cleared service incident reports with named outside reviewers.
Your outside reviewer gets a restricted report link and deadline for the incident review. You get a copy of the request or a clear problem to fix.