Is there any possibility to use "Blog Feeds" element in WPBakery to show custom type posts (the type I've created, similar to post)? Where/how can I make it happen?
Unfortunately not, this would require direct theme customisation to build this out as a feature.
For further help with theme customisation, you can contact our customisation partners here:
I'm closing this ticket now as the main question is moving towards theme customisation, which is not covered in these support tickets.