This page consists of screenshots from Social Media Settings Screen in Coming Soon Booster WordPress Plugin.
This gives an idea about how to add links to various social networks. You can add links to Email, Google, Website, Facebook, Twitter, Instagram, Pinterest and many other social networks. You would be able to display icons for these links.
Once you reach the Social Media Settings page as mentioned below, you would be able to connect your site to the social network services. Once connected to a service, you will be able to share your posts with that service automatically.