Escalate late approvals, open follow-ups, remind reviewers. Every one is ready to run, and you can adjust it in plain language.
Email the current proof to its reviewer with a clear decision deadline.
Your reviewer gets the current proof and a clear decision deadline by email when a card is ready for review.
Email the original maker the proof version and fixes due next.
Your maker gets a rework email that names the reviewed proof and fixes due next.
Move revised creative proofs back to review with the next due date.
Your revised proof cards return to review with the new version named and the next reviewer due date easy to find.