[Collaboration] Latest doc changes (#381)

* [Collaboration] Latest doc changes

* Updated screenshots

* Added note about inviting other users

* Apply suggestions from code review

Co-authored-by: julitafalcondusza <[email protected]>

---------

Co-authored-by: julitafalcondusza <[email protected]>

Author: mnocon

docs/content_management/collaborative_editing.md

@@ -23,15 +23,12 @@ To invite collaborators, click the **Share** button, which creates a new collabo
 
 Then, in a pop-up window, you can invite users to newly created session.
 
-!!! note
-
-    Only the owner can invite other users and initiate collaboration session.
-    You can only invite users with Collaboration permissions to access the shared content.
-    Users without permissions are grayed out and you can't select them and invite them to the session.
+You can only invite users with permissions to access the shared content.
+Users without permissions are grayed out and you can't select them and invite them to the session.
 
 You can invite two types of users:
 
-- **Internal** - by searching their name or email address. These users can either edit the content item or preview it, depending on your choice.
+- **Internal** - by searching their name or email address. These users can either edit the content item or preview it, depending on your choice. Their account permissions determine whether they can invite additional users.
 
 ![Internal users - invitation](img/invite_internal_user.png)
 
@@ -47,10 +44,12 @@ To do it, click the **Arrow symbol** and select the option from the list.
 
 ![Change access](img/change_access.png)
 
-Additionally, you can share a direct link to the collaborative session.
+Additionally, you can share a direct link to the collaborative session without specifying a particular user.
 To do it, click the **Copy link** button.
 Link is copied to the clipboard and you can share it with the users through communication channels.
 
+Use the **Link settings** button to control whether a user needs an account in the system to preview content using the direct link.
+
 After inviting users to a collaboration session, they receive a notification:
 
 - visible when clicking the **Notification** icon on the main dashboard (internal users)
@@ -96,6 +95,15 @@ If you want to see all participants list, click at the avatars group.
 
 ![Participants list](img/participants_list.png)
 
+#### Real-time collaboration Terms of Service changes
+
+Real-Time Collaboration service is only available after accepting its Terms and Conditions.
+When [[= product_name_base =]] releases a new version of this document, you will see a notification in content edit forms that the new version must be accepted before the appointed deadline.
+
+If not done in that time, the Real-Time Collaboration service will be disabled until the latest Terms and Conditions are accepted.
+
+To proceed with accepting the new version, contact your [[= product_name =]] implementation partner.
+
 ## Editing content item
 
 Collaborative editing is enabled in Rich Text fields.
@@ -106,7 +114,6 @@ Collaboration is available for the following content types containing Rich Text
 - Article
 - Folder
 - Form
-- Product category
 - Custom content types
 
 There are two modes of the collaboration:
@@ -138,4 +145,4 @@ Collaborative editing feature brings two new tabs in **My content** dashboard bl
 
 From the dashboard, you can share drafts or join collaboration session for selected content draft.
 
-![Dashboard block - My content - new tabs](img/my_content_tabs.png)
+![Dashboard block - My content - new tabs](img/my_content_tabs.png)