Managing macOS devices using Microsoft Intune
@Jordan Toms, Thanks for posting in Q&A. Based on my researching, the Company Portal app isn't used, needed, or supported on enrollments without user affinity. Please don't install this app on this device.
https://learn.microsoft.com/en-us/mem/intune/fundamentals/deployment-guide-enrollment-macos
Hope the above information can help.
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