When the new version of the submittal is received, the recipient can verify whether or not the issues that were marked as fixed have really been fixed (are resolved) and then send a final response.

The PDF opens in the PDF Markup Service, where you can review the PDF to see whether or not the issues in the PDF that have been marked as fixed have really been fixed.
If a fixed issue has been fixed, you can mark the issue as resolved.
or
(it is selected by default when the PDF opens) to open the list of issues that have been added to this PDF, then click the name (subject) or number of the issue that has been marked as fixed.The Update Issue dialog opens, showing the details for that issue.
