No. You can browse and watch clips for free. However, in order to view premium content on the CBS All Access channel, you'll need to subscribe to the service, which is $5.99 per month, plus any applicable tax for the Limited Commercials plan, and $9.99/month for the Commercial Free plan*.

*Live streams like your local CBS station still have commercials and, due to streaming rights, a few shows play with promotional interruptions.