Pleas go to “SEA Theme > Theme Options > Social Networks” tab to set it:
Your Social Media Links
They are shown no header, expanded panel, and footer bar. Please click the 3-dots icon to select icons, enter your own social media URL. The Social media name is optional, If you don’t enter it, the social name will not be shown.
If you want to show the text without icons, please click the media icons, they will be gone.
Check the video tutorial how to set the Social links:
Share Buttons For Post
They are shown under the post, portfolio or WooCommerce product content. It is for click-to-SHARE-visitor’s-social-media.