If we’ve installed WPBakery Page Builder (formerly called Visual Composer) on your site, then editing pages will look a little different than the standard WordPress editor.
Here’s a brief introduction:
Introduction to Editing with WPBakery Page Builder
(Formerly called Visual Composer)
Here are more detailed tutorials.
Full Overview of WPBaker / Visual Composer
How to Clone Elements
Full Tutorials for WPBakery (Visual Composer):