Update Admin Management section

[BenStreet365]

Adds a line with link to separate article with further information

[prmerger-automator[bot]]

@BenStreet365 : Thanks for your contribution! The author(s) have been notified to review your proposed change.

[learn-build-service-prod[bot]]

Learn Build status updates of commit 146eac0:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
articles/virtual-desktop/users/client-features-windows.md	:white_check_mark:Succeeded

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[Jak-MS]

@dknappettmsft

• Can you review this PR?
• IMPORTANT: When this content is ready to merge, you must add #sign-off in a comment or the approval may get overlooked.

#label:"aq-pr-triaged" @MicrosoftDocs/public-repo-pr-review-team

[dknappettmsft]

Thanks for the contribution. I've handled this in a slightly different way with a couple of other minor changes, so I'll close out this PR. The change should be visible later today.

#please-close