To see how many times your public content has been viewed, look at the data at the bottom of the screen while the content is playing. There, you'll see its timestamp and number of views, as well as the total number of contributions that have been made to the chain.
Note: This data hides after a few seconds to let you focus on the content. Just tap the screen to see it again.
The total number of 'likes' is tallied below the Like button.