File signed agreements, keep order receipts, bundle handoffs. Every one is ready to run, and you can adjust it in plain language.
Surface remaining channel access that needs an owner decision.
Know whether someone still has channel access after a scheduled removal fails, and get the next step when your team must finish it.
Delete approved sensitive posts and document any removal blocker.
Your reviewer sees whether a reported Google Chat message came down, with a dated result on the removal case.