You can fill out forms and sign documents that you receive on your iPhone. After you complete a form, you can add your signature and share it with others.Use the Notes app to scan documents and add signatures on your iPhone or iPad. Scan a document Tap Save or add additional scans to the document. The Insurance Department administers the laws of the commonwealth as they pertain to the regulation of the insurance industry. Election Forms and Tools for Sending. Using an iOS device? All Aboard with Just Your Phone. Download the Amtrak app for iPhone and Android today. You can use Apple's Notes app, which also serves as a PDF scanner.