Check requests, surface missing proof, chase decisions. Every one is ready to run, and you can adjust it in plain language.
Call out a changed proof before you confirm the creative decision.
Keep reviewers aware of changes to a proof before they act on a decision. Your task shows the mismatch and asks for confirmation.
Keep creative signoffs tied to their exact proof uploads.
Keep a clear history of who approved or rejected each campaign proof, even when the review board status changes later.