Thank you for the response. The pages are both on the same domain and all of the settings in wordpress for these pages are the same besides the roles that are allowed to access them. The user I am testing with has all of the necessary roles to access both pages. The pages do not have any particular JavaScript or graphics. To be clear, are you saying that something on their network is likely blocking something on the site that relates to them being logged in?
I am not sure if this helps but, they have the WP admin bar at the top of all the pages besides the one we are having issues with. Once again, this only happens at their site. At my site, I can access all of the pages and the admin bar does not disappear when I try to access this particular (troublesome) page.