macOS Catalina's Preview App Lets You Sign Documents on Mac Using iPhone or iPad

In macOS Catalina, the Preview app has a new feature that makes it easier to sign PDFs and other documents by leveraging an iPhone or an iPad running the iOS 13/iPadOS operating system.Rather than using the Trackpad to create a signature, or scanning a piece of paper, you can connect to your iPhone or iPad to sign there using either a finger or an Apple Pencil.
In the Preview app, under Tools > Annotate > Signature > Manage Signatures > Create Signatures, there is a new option to cho