The East Wing tour is the standard public tour that goes through the areas where state dinners are held, and it can be accessed through a Representative's office. The West Wing tour, which requires insider access, includes the press room, cabinet meeting room, and Oval Office, among other exclusive areas.
Yes, visitors are now allowed to take photographs on the East Wing tour. The 'no photo' ban has been lifted, making it possible to photograph and document the experience during your visit.
Yes, for security reasons, visitors need to provide their social security number when arranging tours of the White House.