How to translate a Webform (Send a FAQ, Contact)
Go to Structure>Webforms. Find the webform you want to translate and click on the 'Arrow' button. A dropdown will appear, click on the 'Translate' option.

A new page will appear with the available languages, click on the 'Add' button of the language to be translated.

Fill the translations on the right column and click on the 'Save' button

Bulk translations
This type of content could be translated too with the 'Translation Management' as per defined in Translations> Bulk Translation section