It is not possible to use Document Generator on Active Sprint and Kanban Boards

It is not possible to use Document Generator on Active Sprint and Kanban Boards.

The button to select Document Generator disappeared from the menu.

Steps to reproduce:

• Add a template with the necessary scopes and entities.
• Enter the Active Sprints Board
• In the right menu, the button is not visible:
  

Expected Result:

• The Document Generator button should be available: