Set and configure your footer widgets here, if you enabled footer widgets in Customize > Footer > Footer Widgets Layout. For more information about using WordPress Widgets, see this WordPress codex article.
If you don't see the Widgets tab in the Customize list, it's because you haven't enabled the footer widgets yet.
You can also configure footer widgets and the sidebar widgets for blog layouts in Appearance > Widgets in the WordPress admin panel.
You can add WordPress widgets anywhere in the content area of your pages by using the WordPress Widgets or Sidebar module in the Beaver Builder editor.