By using this add-on you will be able to manage Visual Composer sections in one place, include them just where you need them and apply changes globally when editing.
Creating a Section
This is how you create a section that you could REUSE anywhere on the website.
Using Sections in Visual Composer
Step 1: Add VC Sections in your page
Step 2: Select which Section do you wish to add in the Visual Composer layout
Using Sections in WordPress Sidebars
Step 1: Select VC Sections Widget and pick the sidebar in which you want to add it
Step 2: Select which Section do you wish to add in the sidebar