Not easily.
This add-on is primarily designed to replicate a static HTML page outside XF.
If you want to use widgets and other content, use a page node.
With XF2 it's really simple to add a Page as the homepage and populate it with widgets to create a "portal" page. As a few people have asked how to do it I thought I'd post this quick guide. Go to admin.php?nodes/ and click Add a Node Select...
xenforo.com