How to get the shortcode from WordPress Plugin
From the "My Items" screen, click the "Add to Site" button and copy the WordPress shortcode
How to get the shortcode from the Opinion Stage dashboard
Click the "Share & Embed" button of the item you want to add, then click the "WordPress tab and copy the shortcode
How to add the item to a post/page using the Gutenberg editor
Add the Shortcode block to your post/page and paste the shortcode you previously copied into it
How to add the item to a post/page using the Classic editor
Just paste the shortcode in the editor, in the location you would like it to be displayed
How to add the item to a post/page using the Elementor editor
Add the Elementor shortcode widget and paste the shortcode into it