Veeam Cloud Connect Backup (VCC-B) - How to delete backup files from the cloud repository
1. Open your Veeam Backup & Replication console
2. Open the Home view
3. Under Backups, click on Cloud.
4. Right-click the backup job to cleanup and select Delete from disk.
References
https://helpcenter.veeam.com/docs/backup/cloud/delete_backup_from_disk.html?ver=120