Merge remote-tracking branch 'remotes/origin/master' into develop

README.md

@@ -104,7 +104,16 @@ You can check the connection to ONLYOFFICE Document Server by using the followin
 
 `occ onlyoffice:documentserver --check`
 
-You will see a text either with information about the successful connection or the cause of the error. 
+You will see a text either with information about the successful connection or the cause of the error.
+
+## Advanced document permissions 
+
+The Advanced tab allows you to grant additional access rights only to those users specified in the Sharing tab without the ability to re-share the file. Depending on the chosen Custom permission option and the file type (docx, pptx, xlsx), you can grant different additional rights.
+
+* If the **DOCX** file is shared with the Custom permission (Edit enabled, Share disabled) in the Sharing tab, you can set the given rights to only reviewing (**Review only**) or only commenting (**Comment only**) in the Advanced tab.
+* If the **XLSX** file is shared with the Custom permission (Edit enabled, Share disabled) in the Sharing tab, you can set the given rights to only commenting (**Comment only**) or applying filtering for everyone (**Global filter**, which is enabled by default) in the Advanced tab.
+* If the **PPTX** file is shared with the Custom permission (Edit enabled, Share disabled) in the Sharing tab, you can set the given rights to only commenting (**Comment only**) in the Advanced tab.
+* If the **PDF** file is shared with the Custom permission (Edit enabled, Share disabled) in the Sharing tab, you can set the given rights to only filling out (**Form Filling**) in the Advanced tab.
 
 ## How it works