
Hello Angus Baumgardt,
Thanks for your question.
You don't necessarily need to assign all of these to every end user. The selection depends on the user's role and needs within your organization. For example if you do not want a user to have a certain feature you can uncheck it.
Information Protection for Office 365 Premium gives access to advanced data protection and governance features. like data classification, advanced message encryption, and rights management capabilities. See: https://learn.microsoft.com/en-us/microsoft-365/business-premium/m365bp-set-up-compliance?view=o365-worldwide
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Regards,
Abiola