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.
Put the deal's proposal PDFs into one account folder packet.
Get your proposal and supporting PDFs together in the shared account folder, with a link on the deal for your team.
Send approved proposals to the right prospects and notify their salespeople.
Your proposals reach prospects with a personal note, while sales gets the active link and a record of what went out.