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.
Find the final report and ask the assigned reviewer for a decision.
Your reviewer gets the finished report and a clear decision request. Your case shows when you asked.
Send the report and review question, then record delivery.
Your incident review attendees get the current report and a question to consider before the meeting, with delivery results ready for the owner.
Send each reviewer the revised report link and confirm delivery.
Your reviewers get a link to the right report revision, and you see who can open it and where delivery needs attention.