If you are using macOS Catalina and an iPhone with iOS 13, you now have a new option when creating a signature for a Preview document. In addition to TrackPad and Camera, you will see iPhone as another option, You can then use your iPhone screen to create a signature with your finger. But like all Continuity features, it can sometimes be tricky to get the devices to recognize each other.
Mac Video Tutorials and Tips for Apple Users
