If you find yourself needing to change the type of feature (Free, Graphics, Graphics + Brands) allocated to your match, that can be achieved by following the below steps:
Click on the 3 ellipsis next to the match that you wish to change
Click Settings
Click Streams & Overlays
Click on the 3 ellipsis next to the match and under Overlay click Edit
Click Ad Type and select the necessary type
When happy click Update
NOTE: An article outlining LIGR's features that can be used on your productions can be found here.