@Lautaro Baumann, Thanks for posting in Q&A.
For Intune device enrollment, if there are 15 devices or less need to enroll in Intune, one work account is enough.
https://learn.microsoft.com/en-us/mem/intune/enrollment/enrollment-restrictions-set#device-limit
You can enroll different 15 devices via one same work account and manage them via Intune policy.
Hope it can help you. If there is any update, feel free to let me know.
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