ChromeOS zero-touch enrollment is an alternative to manually enrolling devices, where a pre-provisioning partner (device manufacturer, distributor or reseller) sends instructions to Google to automatically enroll a ChromeOS device into a customer’s domain after a device is turned on and connected to the internet.
If you have not had an opportunity to learn more about Zero-touch enrollment, please check out the following information:
https://support.google.com/chrome/a/answer/10130175