This documentation is based on the PRO version this features is PRO feature.
To create a Grid layout first need to select Layout Type = WooCommerce then select a Layout Style.
Step 1: Select Layout Type => WooCommerce
Step 2: Layout Style => Select any WooCommerce layout. Note: This is 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 (1-5) that showed in above.