Flag changed purchases, compare promotion pay. Every one is ready to run, and you can adjust it in plain language.
Keep changed proofs visible before a review decision moves forward.
Keep reviewers aware of changes to a proof before they act on a decision. Your task shows the mismatch and asks for confirmation.
Bring changed asset deadlines to campaign owners for follow-up.
Your campaign owner sees deadline changes beside assets in review, so they can confirm the reviewer still has time.