Can't download DOC or PDF from iCloud web app
It seems to be enabled after having opened on iOS, my thinking is that it's something to do with the message you get when opening an iOS version of something created on OS X, which lets you open copy or open, saying that it may look different. Anyway, after opening on iOS, you can download from iCloud.com in all three formats, however, after saving or editing on OS X the PDF and DOC options are blanked again.