Make it simple for visitors to leave comments or questions on various sections of your site with Disqus. This can provide critical feedback, as well as give an easy forum to discuss issues.
To add the widget, open the Widgets tab and search for the Disqus Comments widget.
Drag this widget into the desired location of your editor and it will open the content and design options. From the content tab you can enter your Disqus Shortname, which will allow visitors to comment; you can visit the support portal for more information on this.
Using the design tab you can adjust the spacing.