Everyone who reads a document can give a feedback to the document. This can be improvement proposals for issues in the documents that are not clear, missing or wrong. Or it can simply be positive feedback.
The feedback will go by e-mail to the author, verifier or approver or all of them depending of the setup in the administration tool.
All feedback will follow the document version and will be possible to read for everyone who reads the document.
You can reply on a feedback that's already there or you can make a new one.
To give a feedback on message-, URL-, uploaded documents and quizzes:
Select the document in the document folder
Click on the 3 dots
Add the feedback, or reply to another feedback