The README file will link you to the demo video on YouTube [1]. There is also a working example section [2] on the landing page of documentation which shows what all visualizations yacv can produce given a CFG and a string
[1]: https://www.youtube.com/watch?v=BozB0O0__Qg
[2]: https://ashutoshbsathe.github.io/yacv/#working-example