AI agents use Dropbox Sign as an authoritative agreements system to monitor signature status, wait for completed document generation, extract executed contract terms, and verify completed envelopes before downstream action. Instead of treating eSignatures as autonomous execution, agents track signer events, verify document availability via signature_request_downloadable callbacks, compare signed terms against CRM and ATS records, and hold downstream provisioning, billing, or payroll readiness until human operators verify the executed audit trail.