Google Contacts, the address book built into Gmail, lets you keep track of all your contacts, see when you last interacted with them, and more.
Merge proposal and supporting PDFs in the order listed on the deal.
Get your proposal and supporting PDFs together in the shared account folder, with a link on the deal for your team.
Check approved proposals before sending the final link to prospects.
Your proposals reach prospects with a personal note, while sales gets the active link and a record of what went out.