My recipient was sitting across from me. I sent her an agreement thru Adobe esign to sign on her iPhone. She could draw her signature with her finger, but after tapping submit/send nothing happens. So she was forced to type her name in. What could th

My recipient was sitting across from me. I sent her an agreement thru Adobe esign to sign on her iPhone. She could draw her signature with her finger, but after tapping submit/send nothing happens. So she was forced to type her name in. What could the issue be?