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.
Flag unclear signed terms for stakeholder review.
Your stakeholders get a contract executive summary and signed PDF together, so they can check commitments and unclear terms.
Surface changed clauses and required reviewers for legal review.
Your contract manager gets a fresh approval review for changed terms, with the earlier decision linked and signing on hold.