I can’t view the files in the last sub directory  of Backup content 

Any application that accesses archived data (using either a read or a write operation) triggers a recall operation.

After the recovery operation, stubs are replaced by files in the specified path.

You can also refer to this documentation for Browse and Restore details.

https://documentation.commvault.com/2023e/expert/browse_and_restore_data_overview.html