Create a signature. StepChoose the Add Image tool. StepUpload or Capture your image to Add an electronic signature to a PDF document online in a few easy steps Below we show how to add your signature to a PDF document. StepClick on the Insert icon in the upper toolbar. Create a signature. Click 'Sign' and then 'Add To insert a picture that displays in the body of an email message, use the following steps: Position your cursor where you want the image in your message. The cursor will turn into