The Beaver Builder Theme doesn't display Author bio's at the end of your blog posts. You can add your author bio using one of these methods.
Add this code to your functions.php to display Author bio at the end of your posts. Thanks to Viktor for the solution.
Mike Gillihan has a post here that outlines another way to achieve this.
WPKUBE has an article about adding Bio boxes to your WordPress site here.
WPBeginner Tutorial using Guerrilla's Author Box plugin