Managed Metadata is not appearing in new documents

If you have set up Managed Metadata on a module and nothing is appearing in new documents you can follow the steps below to troubleshoot this issue.

1. Open the Modul > List settings > Managed metadata and ensure that the "Enabled" box is ticked. 
   
   
2. Ensure that the right columns are selected under the "Manged metadata fields" section.
   
   
3. Open up a SharePoint management shell and run the 
   initialize-wpmanagedmetadata command.
   
   
4. Try to remove the "Enabled" tick from No.1 > click save > refresh the site > Set the "Enabled" tick again and click safe.