Escalate late approvals, open follow-ups, remind reviewers. Every one is ready to run, and you can adjust it in plain language.
Email your current artwork proof to the reviewer with a deadline.
Your reviewer gets the current proof and a clear decision deadline by email when a card is ready for review.
Flag when a client cannot open the current artwork proof.
See whether your client has access to the current proof before the review moves forward, with the answer on the task.