Where to find Multilangual Translate?
When you have WPML or Polylang activated on your installation, at the WP dashboard will appear Multilangual Translate setting for Easy Social Share Buttons.
How to set?
Press over the network you want to translate. The languages you use on your site will appear automatically as tabs:
Under each language tab fill the texts that you want to appear. Use translated texts that correspond to each language tab.