[8.18] New privs for Timelines and notes (#6642) (#6644)

* First draft

* too many brackets!!

(cherry picked from commit 39b661c)

Co-authored-by: Nastasha Solomon <79124755+nastasha-solomon@users.noreply.github.com>

Author: mergify[bot]

docs/events/add-manage-notes.asciidoc

@@ -5,6 +5,12 @@ Incorporate notes into your investigative workflows to coordinate responses, con
 
 NOTE: Configure the `securitySolution:maxUnassociatedNotes` <<max-notes-alerts-events,advanced setting>> to specify the maximum number of notes that you can attach to alerts and events. 
 
+[discrete]
+[[notes-privileges]]
+== Grant access to notes
+
+You can control access to notes by setting the {kibana-ref}/kibana-role-management.html#adding_kibana_privileges[{kib} privileges] for the **Notes** feature under **Security**.
+
 [discrete]
 [[notes-alerts-events]]
 == View and add notes to alerts and events

docs/events/timeline-ui-overview.asciidoc

@@ -18,6 +18,12 @@ define the source event fields used when you investigate alerts in
 Timeline. You can select whether the fields use predefined values or values
 retrieved from the alert. For more information, refer to <<timeline-templates-ui>>.
 
+[discrete]
+[[timeline-privileges]]
+== Grant access to Timeline
+
+You can control access to Timeline by setting the {kibana-ref}/kibana-role-management.html#adding_kibana_privileges[{kib} privileges] for the **Timeline** feature under **Security**.
+
 [discrete]
 [[open-create-timeline]]