Regarding Prime Video HBO Max, and Hulu, these are "per-device" logins so you can Sign-out from your credentials and then Sign-in with the daughter's credentials on one TV/Roku device without affecting your other two Roku devices. (you will of course need to sign-in again with your own credentials to again use this particular TV with your account - only 1 login at a time).
The Sign-out option for both Prime Video and HBO Max are located under each channel/app's corresponding Settings (gear icon). For Hulu, the Sign-out is under the Profile.
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