This documentation is based on the PRO version so additional features are PRO features.
To create a Grid layout first need to select Layout Type = Grid then select a Grid Layout Style.
Step 1: Select Layout Type => Grid
Step 2: Layout Style => Select any Grid layout. Note: Additional Layouts are Pro features
Step 3: Now set the display per row of the column for desktop, tab & mobile view.
Now set the other fields and tab as you need to follow Shortcode Generator steps (1-4) that showed in above.