Cannot Erase All Content and Settings

Sorry but using a Mobile Digital Management Service like JAMF would require communicating Directly with the IT Department or the MDM Service

They , may have Locked the computer from performing this Erase All Contents and Setting

Erase your Mac

1. Choose Apple menu  > System Settings, then click General  in the sidebar. (You may need to scroll down.)
2. Click Transfer or Reset on the right, then click Erase All Contents and Settings.
3. In Erase Assistant, enter your administrator information and click Unlock.
4. Review items that will be removed in addition to your content and settings. 
5. If your Mac has multiple user accounts, click the arrow next to your account name to review the items.
6. Click Continue, then follow the onscreen instructions.

Note: If your version of macOS has been modified, Erase Assistant can’t erase your Mac and displays an alert indicating you need to first reinstall macOS. Reinstall macOS, then use Erase Assistant.