WP File Download, WPBakery file manager
WP File Download plugin is the only file manager that offers full integration with WPBakery page builder. 3 dedicated widgets are available: WP File Download File, WP File Download Category, WP File Download Search. Get a full preview of the file manager elements you add in your WPBakery content.
More info: https://www.joomunited.com/wordpress-products/wp-file-download/wordpress-download-manager-for-wpbakery-page-builder