Hi Anh - I'm trying to insert MB fields into Beaver Themer - only grouped fields don't seem to work in Themer. a few months back you said you would be working on that - so I'm asking if there is an update?
I answered Neil in another topic and via emails. Regarding this problem, the best way to do this at the moment is creating a shortcode and use the shortcode in the page builders. I added sample code in the documentation, please take a look: