[8.14] [DE Team][BUG]: Missing info in req docs for detections (backport #5708) (#5776)

* [DE Team][BUG]: Missing info in req docs for detections (#5708)

* First draft

* removed extra hash

* Removed comments

* Changed page name

* Adds space req to Serverless data view docs

(cherry picked from commit 11535f0)

# Conflicts:
#	docs/serverless/explore/data-views-in-sec.mdx

* Delete docs/serverless directory and its contents

---------

Co-authored-by: Nastasha Solomon <[email protected]>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: 3 people

docs/detections/detections-req.asciidoc

@@ -36,7 +36,8 @@ and restarting {kib}, you must restart all detection rules.
 [discrete]
 [[enable-detections-ui]]
 == Enable and access detections
-To use the Detections feature, it must be enabled and your role must have access to rules and alerts. If your role does not have the cluster and index privileges needed to enable this feature, you can request someone who has these privileges to visit your Kibana space, which will turn it on for you. The following table describes the required privileges to access the Detections page, including rules and alerts.
+
+To use the Detections feature, it must be enabled, your role must have access to rules and alerts, and your {kib} space must have **Data View Management** {kibana-ref}/xpack-spaces.html#spaces-control-feature-visibility[feature visibility]. If your role does not have the cluster and index privileges needed to enable this feature, you can request someone who has these privileges to visit your Kibana space, which will turn it on for you. The following table describes the required privileges to access the Detections feature, including rules and alerts.
 
 NOTE: For instructions about using Machine Learning jobs and rules, refer to <<ml-requirements, Machine learning job and rule requirements>>.
 
@@ -65,7 +66,7 @@ a|The `manage`, `write`,`read`, and `view_index_metadata` index privileges for t
 
 |Enable the Detections feature in all Kibana spaces
 
-*NOTE*: To turn on the Detections feature, visit the Detections page for each appropriate Kibana space.
+*NOTE*: To turn on the Detections feature, visit the Rules and Alerts pages for each appropriate Kibana space.
 
 |The `manage` privilege
 a|The `manage`, `write`,`read`, and `view_index_metadata` index privileges for the following system indices and data streams:

docs/getting-started/data-views-in-sec.asciidoc

@@ -35,6 +35,8 @@ NOTE: You cannot update the data view for the Alerts page. This includes referen
 
 The default {data-source} is defined by the `securitySolution:defaultIndex` setting, which you can modify in {kib}'s advanced settings (**Stack Management** > **Advanced Settings** > **Security Solution**). To learn more about this setting, including its default value, refer to {security-guide}/advanced-settings.html#update-sec-indices[Advanced settings].
 
-The first time a user visits {elastic-sec} within a given {kib} {kibana-ref}/xpack-spaces.html[space], the default {data-source} generates in that space and becomes active.
+The first time a user visits {elastic-sec} within a given {kib} {kibana-ref}/xpack-spaces.html[space], the default {data-source} generates in that space and becomes active. 
+
+NOTE: Your {kib} space must have **Data View Management** {kibana-ref}/xpack-spaces.html#spaces-control-feature-visibility[feature visibility] setting enabled for the default {data-source} to generate and become active in your space. 
 
 If you delete the active {data-source} when there are no other defined {data-sources}, the default {data-source} will regenerate and become active upon refreshing any {elastic-sec} page in the space.