There’re a few miscellaneous settings in Appearance → Customise → Miscellaneous Settings.
Social Links
Activate and set up the display of your social links using social network presets or custom settings.
Sticky Sidebar
You can sticky the sidebar and choose how you want to scroll it.
Scroll to Top
Activating the item will display a button at the bottom right of the screen, when clicked you can quickly return to the top of the page.