The following fixes are available in the Field View mobile app in 2017-R3.

Fix Description	ClearView #
Multiple Mobile Platforms
Fixed an issue on iOS and Windows where triggering a state restore on a PDF twice in row caused an error.
Fixed an issue on iOS and Windows where the app crashes when you select a form or task attached to an asset using search.
iOS
Fixed an issue where sharing a PDF to an external app caused the Field View app to crash.
Fixed an issue where if you switch to a different app and return to the Field View app, and then share a PDF to an external app, the PDF isn’t attached.
Windows
Fixed an issue where if you generate a PDF and then switch to a different app and return to the Field View app, the PDF doesn’t display.
Android
Fixed an issue where you could not generate a PDF of a new form, without first closing the form and reopening it.