This is how to uninstalling Acronis Agent.
Linux
First, check if the service is running.
systemctl status acronis_mms
Now let's uninstall Acronis Linux Agent.
/usr/lib/Acronis/BackupAndRecovery/uninstall/uninstall -a
Now you are done.
Windows
For windows server use this direction :
Control Panel >> Uninstall a Program >> Right click at Cyber Protect >> Uninstall