Segments you created are present in Sc interfaces (catalog, orders, customers) and their contents are displayed in Sc central column (light, large view, etc.).
If you need to export the contents of a segment, you can simply use the quick export option which is the icon on the toolbar, or eventually the
if you want a printable format.
You could also create a new view using Interface Customization module (Tools menu) if you want to define exactly the information you want to export/print.