@Garry Thanks for posting in our Q&A. For this issue, it is not related to windows 365. It is related to Microsoft 365.
For this issue, I have done a lot of research. I find that this article compare something between Microsoft 365 Business Premium and Microsoft 365 E3/E5 in the official article.
https://learn.microsoft.com/en-us/office365/servicedescriptions/office-365-platform-service-description/office-365-plan-options#service-availability-within-each-microsoft-365-and-office-365-plan
With the limitation resource, if you want to get more accurate help, it is suggested to refer to the following link to get support:
https://learn.microsoft.com/en-us/microsoft-365/business-video/get-help-support?view=o365-worldwide
Hope it will help.
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