To create a Grid layout first need to select Layout Type = List then select a List Layout Style.
Step 1: Select Layout Type => List
Step 2: Layout Style => Select list layout 2. Here Table Layout is Pro feature.
Step 3: Now set the display per row of the column for desktop, tab & mobile view.
Step 4: For list layout, you can set image grid width here content grid will auto-calculate.
Now set the other fields and tab as you need to follow the rest steps of the Shortcode Generator steps (1-4) that showed in above.