WP Bakery, formerly Visual Composer, is a plugin that will help you manage the visuals of your content. Websites have complex grid layouts with columns, tabs, sliders etc which are easily achieved using WP Bakery.
WP Bakery installation can be done automatically after the theme install. You will see a notice just like this and follow the installation instructions.
On WP Bakery settings page (WP Admin > Settings > WP Bakery), you should select content types where WP Bakery should appear. Now you are ready to create a new page or post with WP Bakery.
After installing and enabling WP Bakery plugin you can start creating your layouts. There’s one concept/design pattern you should know.
In the WP Bakery editor mode you’ll have “Add element” button, which you should click or drag to the working canvas, to add content block or row to your page.
Clicking the “Add element” button will show the content element selection menu. Content blocks are divided into categories (Show all, Content, Social, Structure, WordPress Widgets).