There is currently no option to display full-width images and overlay post titles using the Beaver Builder theme.
The Beaver Builder theme gives you a few options to display your featured image within the post content container. To achieve a full-width image, overlay post title and a post-meta layout, follow this tutorial from BeyondBeaver.
Many premium WordPress themes include a full width featured image and title overlaid – here are a few examples…
Dune theme by ZigZagPress (displayed above)
Literatum Theme (displayed below)
