is it possible to put a carousel

Not with the free theme, premium theme has shortcodes and widgets that do this.

Kadence Themes

If you are using page builder, you can watch the video here: http://www.kadencethemes.com/using-page-builder-virtue-premium/

Or if you just want a shortcode, scroll down to the carousel shortcode:

http://docs.kadencethemes.com/virtue/#shortcodes

Kadence Themes