Sign and send your documents right from your iOS device.
1. Open Mail application
2. Open PDF that needs signing
3. Tap on the Briefcase icon (lower right corner)
4. Tap on the Signature icon (lower right corner)
5. Sign your name using your finger
6. Tap 'Done'
7. Adjust size of signature by dragging the blue corners in or out
8. Tap 'Done' and send away