Pods Relationship widget allows you to display related Post objects (single or multiple) defined in a Pods Relationship field of the current post.
With a custom presentation layout:
Title: to render the post title;
HTML & Tokens: to render HTML and tokens;
For a more complete solution, you can use dynamic data of related posts to build a complex structure rendered as:
Natural, for the element in the same wrapper;
List, unordered, and ordered;
Grid, display in columns as a grid;
Accordion, as collapsible accordion panels;
Select, a form select that let the user select one of the related posts;
Tabs (horizontal and vertical), is useful and the most used
You can find some customization options in the style tab.