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.
Hold delivery until changes to a reviewed proposal get checked.
Your delivery manager sees changed proposal terms and a pending review before the team moves forward.
Merge project PDFs into one packet for review.
Your reviewer gets a single PDF in the order you set, with the finished packet attached and linked on the project task.