Add more management options documentation

Change-Id: I5f52faf19dc0acedb78f0ef0d7568090cbbc3c5a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1611877
Auto-Submit: Denis Kuznetsov <antrim@chromium.org>
Commit-Queue: Denis Kuznetsov <antrim@chromium.org>
Reviewed-by: Roman Sorokin [CET] <rsorokin@chromium.org>
Reviewed-by: Sergey Poromov <poromov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#660083}

docs/enterprise/management.md

@@ -10,3 +10,12 @@ allows to configure [public sessions / Kiosk mode](kiosk_public_session.md).
 
 `Enrollment & Access` section on `Device Management>Chrome>Device Settings`
 page controls if device should be automatically re-enrolled after factory reset.
+
+`Device Management>Chrome Devices` contains a list of managed devices.
+ Once device is selected, it may be disabled via "Disable" action in menu.
+
+`Enrollment Controls` section under
+`Device Management>Chrome>User & Browser settings` page controls if users
+under particular organizational unit are allowed to enroll
+device, populate device attributes during enrollment, or select license type
+during enrollment if multiple license types are available.