Thank you for asking this question on the Microsoft Q&A Platform.
I have some unwelcome news,
More info [https://learn.microsoft.com/en-us/azure/backup/selective-disk-backup-restore#limitations
Hope this helps!
Accept Answer and Upvote, if any of the above helped, this thread can help others in the community looking for remediation for similar issues.
NOTE: To answer you as quickly as possible, please mention me in your reply.