If you have access to a WebDAV server, you can transfer documents between the server and your iOS device.
Open Pages on your device.
If the server is already set up on your device, skip to step 6. Otherwise, go to the next step to set up server access on your device.
In the document manager, tap Locations in the toolbar.
Tap “Copy from WebDAV,” then type the server address (web address or URL).
Enter your user name and password.
Tap Sign In.
You remain signed in to the server until you tap Sign Out.
Do one of the following:
Copy a document from the server: Tap Locations in the document manager toolbar, then tap “Copy from WebDAV.” Locate the file on the server, then tap it. When the transfer is complete, the document appears in the document manager.
Copy a document to the server: Tap 
in the document manager toolbar, tap Send a Copy, then tap the document you want to transfer. Tap a format for the document, then tap WebDAV. Tap where you want to send the document, then tap Copy.