Through the Files app in the iOS, Final Draft files can be shared
- via the default email app on your iPad or iPhone;
- via Text Messaging;
- via a cloud storage service such as iCloud, Dropbox, Google Drive, OneDrive and others;
- via iTunes
Please see this article from Apple on how to use the Files app: https://support.apple.com/en-us/HT206481
IMPORTANT: Only FDX files (ones created in Final Draft) are openable in Go / Mobile. They cannot open FDR (Final Draft 7 / 6 / 5), PDF, DOC, HTML, TXT, RTF or any other kind of file.