About WooCommerce plugin, you don’t need to worry. Even if its out of date, it will still work. On each update (themes), we will also update integration with WordPress. Woocommerce update is very fast. We unable to keep up with their update. But mostly, they give fallback each time they update the themes. so it will be fine.
Please still using Visual Composer plugin that come with our theme package for compatible reason. We will send you notice when Jkreativ compatible with the latest version of VC plugin.