Here's what you need if you want to open documents edited in iWork for iCloud beta in the iWork apps for Mac or iOS.
Use OS X Mavericks or later and these iWork for Mac apps:
- Pages 5.2 or later
- Numbers 3.2 or later
- Keynote 6.2 or later
Learn more about using iCloud Drive with OS X Mavericks.
Use iOS 7 or later and these iWork for iOS apps:
- Pages 2.2 or later
- Numbers 2.2 or later
- Keynote 2.2 or later