Magister uses the resources of the Monarch plugin to share posts on social networks:
The Monarch plugin is not part of the Magister Child Theme package. It is available with your DIVI theme subscription.
To use this functionality with Magister, install the plugin and adjust the settings. The Magister demo uses the following settings:
NOTE: If you are not going to use social sharing with Monarch (or are going to use it other mode than inline), please edit the blogposts display settings and delete the text module containing “Share this content on:”