This feature is available to our Premium customers.
Can I copy a page to have it appear under two different menu items? Or do i have to copy/paste the content to a new page?
Instead of duplicating a page or even copying a page, you can have it appear in multiple places in the navigation by creating an "Alias" to the page in the desired location.
See the Menus and Navigation article for instructions on how to create and manage Aliases.