Q&A Explorer from April2018 update not working on PBI Service

I am following the video from this link. https://www.youtube.com/watch?v=W_Nb73Od_AI

I tested a lot, but it only works on PBI Desktop. After published, it does not work the action button to get Q&A. 

Version13.0.4829.217
Time Fri Apr 06 2018 13:26:09 GMT-0300 (Brazil official time)
Server Brasil South (Estado de São Paulo)