As well as the preview, you’ll have some or all of the following actions available, depending on your permissions:
to see folder details.
Sync: Sync a file or folder to your device so you can view it when you're offline. Tap
again to unsync.
Favorite: Mark a file or folder as a favorite. You can quickly find favorites when you
tap 
Favorites. Tap again to unfavorite.
Like: Like or approve a file or folder.
Review: Set up a review for a file and assign it as a task to other users. See Working with tasks. 
Comments: View existing comments and add your own.
Edit: Available for text files, you can open them up directly in SkyVault and make
changes before selecting to Save or Discard
Changes.
Update: Select a new version of a file from your Local Files, choose if there are major
changes or not (this affects the version number), and add comments (optional).
Open in...: Choose a compatible app on your device to open a file in. When you’ve edited
the file some apps let you Save Back straight to SkyVault, with others
you need to save to your device and then upload to SkyVault. 
Email: Open an new draft email with the file attached.
Print: Print the file to a compatible AirPrint printer.
Download: Download a copy of the file for offline viewing. The file is available in
SkyVault Local Files.
Delete: Delete the file or folder from the SkyVault site.
Add Folder: Add a new folder within the currently selected folder.