PDF Reader offers you ways to efficiently access your files via iCloud, Dropbox and Email.
1. Launch PDF Reader. Click "PDF Reader" from the top menu and select "Preferences".
2. Switch to "Sync" section from the preferences pane and make sure if you've set up iCloud (you can also set up your Kdan Cloud and Dropbox account here)
3. Once you have logged into iCloud, you can start syncing files to your iCloud Drive
4. Simply click the iCloud ( ) button on the toolbar, and you will be able to sync your files.