Google Drive is Google's file sync app that lets you store all of your files online alongside your Google Docs documents, and keep them synced with all of your devices.
Pass your proof edits to the assigned maker on the review item.
Your maker finds the next proof instructions on the proof item. The reviewed link, fixes, and deadline stay together.
Identify the current publication proof awaiting your decision.
Your reviewers get a clear task for the current proof. They know what decision to make and when it is due.
Bring revised page proofs back for editorial review.
Your reviewer gets the corrected proof and completed fixes when the last correction is done, so the next decision does not sit in rework.
Reopen the page proof review task with the corrected PDF.
Your reviewer gets a task ready to review, with the replacement proof and its version named in a comment.