Using rclone with cron cannot sync cloud data to local storage. You'll need to write a program/script that uses Google Drive API to pull data down to your local server. The trickiest part is setting up a service account with domain-wide delegation.

If you want tools to help:

• GAM : open sourced and flexible, available on Github.

• CubeBackup A 3rd-party Google workspace backup tool - paid, but very affordable and easy to use.