It doesn't appear to me like the games will be streamed everywhere outside Los Angeles. It looks like it's only being streamed in certain markets so viewing will still be limited and not available to everybody.
For the first time, the Los Angeles Rams will offer a free stream of their preseason games on therams.com in Los Angeles, Mexico and the United Kingdom. In addition, the stream will be available in all markets receiving CBS or UniMás’ broadcast across California, Alaska, Hawaii, Nevada and Utah (full list of affiliate stations below). Fans in Los Angeles, any secondary US markets, and the United Kingdom will receive CBS’ feed, while fans in Mexico will receive UniMás’ broadcast. Live streams can be accessed via desktop, mobile web and the Rams Mobile app.