By default, the Viewing Tile elements (context menus, export buttons, PTZ mode select buttons, etc.) are displayed over the video.

To move the controls outside the video area, perform the following steps:

1. Go to Settings → Options → User interface (1–2). 
   
2. Uncheck the Allow controls on top of video image checkbox (3).
3. Click Apply to save the changes.

Reopen the Layout or create a new one.

As a result, the Viewing Tile will look like this: