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.
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.