Hi,
Thank you for posting in Microsoft Q&A forum.
Per my experience, you can create an application for company portal in SCCM and add the application as a task sequence step to your OSD task sequence. For more information, please refer to:
How to deploy Company Portal using SCCM
How to provisioned Company Portal with MDT image deployment
Please note: The links are not from Microsoft, just for your reference. Thanks for your time. Have a nice day!
Best regards,
Simon
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