By default, WordPress creates a page for each file you have in your site. OptimizePress templates use lots of images that are stored in your site’s media library. Each of these images creates a page and these pages may affect your site’s SEO rating.
Unfortunately, OptimizePress has no option that could prevent this from happening. To avoid this, you need to install this plugin:
Attachment Pages Redirect.
Installing this plugin should redirect file pages to the parent page.