@Seif Esmailjee
All snapshots taken by Azure Backup can be accessed by viewing snapshots in the portal, PowerShell, or CLI. You can open the Snapshots from the portal by navigating to the File share and selecting Snapshots under Operations. From there you can browse the snapshots to see if the file/directory is there. Once located it can be restored directly or using Azure Backup. See below for a demo of looking for file1.txt:
Hope this helps! Let me know if you have further questions or issues.
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