The myCred Social Share Addon allows you to award your users points every time they share your posts on social media. You can easily set up and manage the points awarding criteria through the presentation method on the website.
Reward Users For Social Media Sharing
Allow users to earn points by sharing your website's posts on social media.
Setup Rewards According To Post Types
You can set the reward point definition according to each social media post type.
This addon requires the free myCred core plugin found here.