Add Sharing Buttons to Category pages
By default category page content does not render shortcodes, meaning that even though you place the correct shortcode in the description, the shortcode will not render. To work around this you can apply the do_shortcode WordPress filter to the content of your category pages.
Add the following in your theme or child theme functions.php
add_filter( 'term_description', 'do_shortcode' );
Now the Ultimate Social shortcode will render on your category pages.