Streamline your document workflows by leveraging the unique capabilities of your Apple devices together. With Continuity, you can now use your iPhone or iPad's touchscreen or Apple Pencil to sign documents or add hand-drawn sketches directly into files on your Mac. This feature eliminates the need to awkwardly draw with a trackpad or print documents just to sign them, making digital signatures and creative additions seamless.
This feature enhances the built-in Markup tools in macOS and applications like Notes. When you need to add a signature to a PDF or a sketch to a note on your Mac, you can now initiate a live connection to a nearby iPhone or iPad. Your mobile device will instantly transform into an input pad, allowing you to draw with your finger or Apple Pencil, with the result appearing in real-time on your Mac.
To sign a PDF on your Mac using your iPhone or iPad:

To insert a sketch into a note on your Mac:

For this feature to work, ensure your Mac and iPhone/iPad are nearby, have both Wi-Fi and Bluetooth turned on, and are signed into the same Apple ID with two-factor authentication enabled. Once you save a signature, it will sync via iCloud and be available for quick use on all your devices without needing to redraw it each time.
Signing PDFs and inserting sketches with your iPhone or iPad is a powerful Continuity feature that transforms how you interact with documents on your Mac. It bridges the gap between your powerful desktop environment and your intuitive mobile devices, making workflows faster and more efficient. By leveraging the best of both worlds, you can sign contracts, annotate documents, and add personal touches to your notes with ease.