@Tate Spencer Thanks for posting in our Q&A.
For this issue, intune is included in the following licenses:
Microsoft 365 E5
Microsoft 365 E3
Enterprise Mobility + Security E5
Enterprise Mobility + Security E3
Microsoft 365 Business Premium
Microsoft 365 F1
Microsoft 365 F3
Microsoft 365 Government G5
Microsoft 365 Government G3
Intune for Education
https://learn.microsoft.com/en-us/mem/intune/fundamentals/licenses#microsoft-intune
Intune isn't included in office 365 E3 licenses. Please see the following picture.
Hope it will help.
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