It's easy to navigate to any page you wish on the ePaper.
If you are on the desktop, once you're in the paper, click the "Pages" button in the bottom left of the screen.
Alternatively, you can click the page number in the top navigation bar to pull up the same menu.
If you are on the app, tap the bottom bar, where is says "Page X of XX."
In the menu you can tap the name of the section to jump directly to the front page of that section. You can tap any page to jump directly to that page.
You can also tap the sections button in the top right to navigate to pull up the same menu.