Add application permission to outlook connector (elastic#128297)

Author: charlotte-hoblik

docs/reference/connector/docs/connectors-outlook.asciidoc

@@ -67,10 +67,12 @@ To integrate with the Outlook connector using Azure, follow these steps to creat
 3. Navigate to the *Overview* tab. Make a note of the `Client ID` and `Tenant ID`.
 4. Click on the *Certificates & secrets* tab and create a new client secret. Keep this secret handy.
 5. Go to the *API permissions* tab.
-   * Click on "Add permissions."
-   * Choose "APIs my organization uses."
-   * Search for and select "Office 365 Exchange Online."
-   * Add the `full_access_as_app` application permission.
+   * Click on "Add permissions".
+   * Choose "APIs my organization uses".
+   * Search for and select "Office 365 Exchange Online".
+   ** Add the `full_access_as_app` application permission.
+   * Search for and select "Microsoft Graph"
+   ** Add the `User.Read.All` application permission.
 
 You can now use the Client ID, Tenant ID, and Client Secret you've noted to configure the Outlook connector.
 
@@ -280,10 +282,12 @@ To integrate with the Outlook connector using Azure, follow these steps to creat
 3. Navigate to the *Overview* tab. Make a note of the `Client ID` and `Tenant ID`.
 4. Click on the *Certificates & secrets* tab and create a new client secret. Keep this secret handy.
 5. Go to the *API permissions* tab.
-   * Click on "Add permissions."
-   * Choose "APIs my organization uses."
-   * Search for and select "Office 365 Exchange Online."
-   * Add the `full_access_as_app` application permission.
+   * Click on "Add permissions".
+   * Choose "APIs my organization uses".
+   * Search for and select "Office 365 Exchange Online".
+   ** Add the `full_access_as_app` application permission.
+   * Search for and select "Microsoft Graph"
+   ** Add the `User.Read.All` application permission.
 
 You can now use the Client ID, Tenant ID, and Client Secret you've noted to configure the Outlook connector.