I have a Roku device that I use to subscribe to Sling. It appears that I am able to subscribe to CBS Sports and CBS All Access channels through the device. Will I be able to watch the Super Bowl on one of these channels? Will I be charged for this additional access? I was not required to input any billing info to gain access to these channels.
In a word, yes. Here's more detail from the Roku blog:
we never got to watch it for free