Enabling Social Share show social media icon on each timeline posts with counter and you able to customize social share icon using below options:
Social Share Style: use default or custom pre build icon packs. One of social icon base on font icon so you also customize using your own custom css
Shape Of Social Icon: show social icon circle or square.
Size Of Social Icon: option allow you set size of icons.
Available Icon Themes: you can choose one of the social icons pack.
Social Share Links Settings allow you to show/hide specific social media icons as well as counter.
There are few more options like: Mail Share Content where you are able to set email content when shared via email. Social Share Count Position to set counter position in social social icon. Social Share Position to set positions of icons.