We don’t have follow links shortcode unfortunately, but you can change current links in [share] shortcode. Edit the file wp-content/themes/woopress/framework/shortcodes.php (find the section “! Share This Product” in line 1918), to change links you need edit the code, for example for Twitter <a href="https://twitter.com/share?url='.$permalink.'&text='.$post_title.'" class="'.$tooltip_class.'" title="'.__('Twitter', ETHEME_DOMAIN).'" target="_blank"> and replace https://twitter.com/share?url='.$permalink.'&text='.$post_title.' with a link to your Twitter account.