To add Quickview button to Visual Composer’s grid, you need to create new or modify a grid template.
All Visual Composer’s grid elements have “Item Design” tab to choose grid template.
For example: Visual Composer Post Grid:
If you want to create from a blank template, click Create new.
Or, choose an available template and click Modify selected (recommended), you will be navigated to Grid builder page.
Enter a name for this modified template, for example: “Quickview template”.
These are available elements in selected template (Basic grid: Default), the modified template will be named “Quickview template”.
Click + to add Quickview element into this template.
All settings are the same as single Quickview element.
If you change this setting, it will apply to all post in the grid that use this modified template “Quickview template”.
Click “Update” button when you done.
Go back to your Post Grid element, choose your modified template in Item Design.
Note: If your grid shows post excerpt, disable “Add to post excerpt” in Quickview General Settings to avoid duplicate Quickview button.