Thank you for your reply.
If it is not possible to view the files inside the Personal Vault in the cloud, https://onedrive.live.com/then they may still be stored locally on Windows 10 Pro 22H2.
It is likely that the files in the Personal Vault on Windows 10 Pro 22H2 were not fully backed up to the cloud before the device went offline.
If you bring your Windows 10 Pro 22H2 PC online, the backup to the cloud and synchronization should be complete.