The following is the list of options available for all the buttons
Include buttons always
Lets you decide if you want the social buttons to be present in every content page (blogs and articles), ignoring the category selection.
Categories for social buttons
If Include buttons always is set to No, lets you decide the categories you want the buttons to be present.
Apply to Featured Articles view
Lets you decide if the social buttons will appear in the Featured Articles view or not.
Where to display social buttons
Lets you decide if you want the buttons to be above or below your article (or both).