All our WordPress themes that have Page Builder was updated to new versions with updated Visual Composer plugin 4.7.4 version. This update is very important and fix several critical problems and recommended for all users. Please not that some of themes does not changed theme version with this update. To update Visual Composer you need to use ZIP plugin from /inc/plugins/js_compozer.zip file in theme folder and install it manually (first delete old Visual Composer version from Plugins).
Help article – how to update Premium plugins.