You must to download the enrollment and trust profiles (.mobileconfig) from Jamf Pro so that you can import them into Apple Configurator.
The trust profile contains the CA certificate that establishes trust between the certificate authority (CA) and mobile devices. This profile is automatically created by Jamf Pro when you create an enrollment profile.
The enrollment profile downloads immediately as a .mobileconfig file, and the trust profile downloads immediately with the filename Trust Profile.mobileconfig.
When the trust profile is imported to Apple Configurator, it displays in the Profiles list with a name that identifies it as the CA certificate profile.
For more information about components installed on mobile devices during enrollment by referring to Components Installed on Mobile Devices.