Your customer creates a lot of Pages documents on his Mac and asks whether he can access those documents on an iPad. Choose the BEST response.
You can purchase the iLife and iWork apps from the App Store.
You can download any third-party productivity app from the App Store and open your Pages documents in compatibility mode.
You can open Safari on iPad and access your saved documents over the web from your iDisk.
The iLife and iWork apps—including Pages—are free with your new iPad, so you can easily save files to iCloud Drive on Mac and access them on your iPad.