Ive used a couple themes that uses both WPBakery and Visual Composer sitebuilders.
As far as I understand WPBakery is formerly Visual Composer but in the themes ive used they both appear as plugins as well as sitebuilders in pages/posts/portfolio.
Why are there two sitebuilders in the page/posts/portfolio when only one works?
Is there a way to activate one or other? Another thing is when i import demos with certain themes, they get imported as a whole shortcode/text block inside one row in Visual Composer. This is not very user friendly and just messy to update/modify.
I never had any problems using the old Visual Composer, it was way easier. The new one looks messy, it also has scroll in window which makes the interface small and hard to work with.
Im sure its something one get used to, but i must say the old was way better to use.