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.
Your campaign team can find the file in the launch folder once a reviewer signs off, without chasing the handoff.
Your campaign card shows whether the assigned reviewer can open the linked file, so your team can fix sharing before requesting review.
Your campaign team gets a shortcut to the approved asset in its launch folder, with no handoff to chase.