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.
File missing signing proof beside signed leases.
Keep signed agreements ready for handoff, with signature certificates or audit trails beside them and a clear note when proof is missing.
Route approved lease PDFs to every required signer.
Your agreement reaches the named signers with their own fields, and you get a link showing who received it and in what order.