Until Apple updates the desktop versions of the iWork apps you have to use iCloud.com in a web browser or iTunes to sync files. You could also try e-mail or DropBox. You also need to have Pages on your iOS devices set to use iCloud.
It's implied possibly... but I don't see iWork apps mention on this link but then again not every app can be mentioned, we will see. Notes within mail mac pushes notes to iOS prior to mountain lion, I don't know why pages can't push now.