@MoTaar, Thanks for posting in Q&A. To let admin remote to Intune managed devices to do troubleshooting, you can consider Remote help. Remote Help is a cloud-based solution for secure help desk connections with role-based access controls. With the connection, your support staff can remote connect to the user's device. Here are some links describe this for your reference:
https://learn.microsoft.com/en-us/mem/intune/fundamentals/remote-help
Hope the above information can help.
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