How to edit the page using Front-end Builder

To edit the page using Front-end Builer, please note that you use Front-end Builder on the frontend, not in admin and follow steps: 

1. First of all, please refer this article to enable the Front-end Builder. 

https://arrowhitech.ticksy.com/article/12553/

2. Secondly, please refer this article to know how to use it: 

https://www.magesolution.com/themes/claue/docs/m2/index.html