Docs: Enterprise improvements (#24395)

* Docs: fix LDAP link

* Docs: add License Expiration behavior for usage insights

* Docs: update auth overview with a features matrix

* Docs: refactor Enterprise overview

* Docs: updates team sync supported providers

* Docs: add auth feature matrix missing versions

* Docs: fix license expiration indent

* Docs: small improvements

* Docs: apply PR feedbacks

* Docs: fix typo

* Docs: fix typo Oauth -> OAuth

docs/sources/auth/azuread.md

@@ -92,7 +92,7 @@ To enable the Azure AD OAuth2 you must register your application with Azure AD.
 
 1. Click on **Users and groups** and add Users/Groups to the Grafana roles by using **Add User**.
 
-## Enable Azure AD Oauth in Grafana
+## Enable Azure AD OAuth in Grafana
 
 1. Add the following to the [Grafana configuration file]({{< relref "../installation/configuration.md#config-file-locations" >}}):
 

docs/sources/auth/enhanced_ldap.md

@@ -12,6 +12,6 @@ weight = 3
 
 # Enhanced LDAP integration
 
-The enhanced LDAP integration adds additional functionality on top of the existing {LDAP integration]({{< relref "ldap.md" >}}).
+The enhanced LDAP integration adds additional functionality on top of the existing [LDAP integration]({{< relref "ldap.md" >}}).
 
 > Enhanced LDAP integration is only available in Grafana Enterprise. For more information, refer to [Enhanced LDAP integration]({{< relref "../enterprise/enhanced_ldap.md" >}}) in [Grafana Enterprise]({{< relref "../enterprise" >}}).

docs/sources/auth/okta.md

@@ -36,7 +36,7 @@ Before you can sign a user in, you need to create an Okta application from the O
 
 1. Click **Done** to finish creating the Okta application.
 
-## Enable Okta Oauth in Grafana
+## Enable Okta OAuth in Grafana
 
 1. Add the following to the [Grafana configuration file]({{< relref "../installation/configuration.md#config-file-locations" >}}):
 

docs/sources/auth/overview.md

@@ -14,21 +14,20 @@ weight = 1
 Grafana provides many ways to authenticate users. Some authentication integrations also enable syncing user
 permissions and org memberships.
 
-## OAuth Integrations
+Here is a table showing all supported authentication providers and the features available for them. [Team sync]({{< relref "../enterprise/team-sync.md" >}}) and [active sync]({{< relref "../enterprise/enhanced_ldap.md#active-ldap-synchronization" >}}) are only available in Grafana Enterprise.
 
-- [Google OAuth]({{< relref "google.md" >}})
-- [GitHub OAuth]({{< relref "github.md" >}})
-- [Gitlab OAuth]({{< relref "gitlab.md" >}})
-- [Generic OAuth]({{< relref "generic-oauth.md" >}}) (Okta2, BitBucket, Azure, OneLogin, Auth0)
+Provider | Support | Role mapping | Team sync<br> *(Enterprise only)* | Active sync<br> *(Enterprise only)*
+-------- | :-----: | :----------: | :-------: | :---------: 
+[Auth Proxy]({{< relref "auth-proxy.md" >}})       | v2.1+ | - | v6.3+ | - 
+[Azure AD OAuth]({{< relref "azuread.md" >}})      | v6.7+ | v6.7+ | v6.7+ | - 
+[Generic OAuth]({{< relref "generic-oauth.md" >}}) | v4.0+ | v6.5+ | - | - 
+[GitHub OAuth]({{< relref "github.md" >}})         | v2.0+ | - | v6.3+ | -
+[GitLab OAuth]({{< relref "gitlab.md" >}})         | v5.3+ | - | v6.4+ | -
+[Google OAuth]({{< relref "google.md" >}})         | v2.0+ | - | - | - 
+[LDAP]({{< relref "ldap.md" >}})                   | v2.1+ | v2.1+ | v5.3+ | v6.3+
+[Okta OAuth]({{< relref "okta.md" >}})             | v7.0+ | v7.0+ | v7.0+ | - 
+[SAML]({{< relref "../enterprise/saml.md" >}}) (Enterprise only)    | v6.3+ | v7.0+ | v7.0+ | - 
 
-## LDAP integrations
-
-- [LDAP Authentication]({{< relref "ldap.md" >}}) (OpenLDAP, ActiveDirectory, etc)
-
-## Auth proxy
-
-- [Auth Proxy]({{< relref "auth-proxy.md" >}}) If you want to handle authentication outside Grafana using a reverse
-    proxy.
 
 ## Grafana Auth