It’s weird for me about that. On the latest version of theme (2.2.7) we have been provide visual composer plugin that have version 4.4.2
I also use this version on my local server and they just work fine on my side.
Can you help me to provide access into your wp admin panel, so i can check it directly. You can send it here and don’t forget to check Set as private reply option below.
Set as private reply