How can I sign an emailed PDF doc online?

If you received an email with an invitation to eSign a PDF with airSlate SignNow, just accept the request, click on the signature field, and add your signature by typing or drawing it, or inserting an image. The authorized copy will automatically be sent back. If you received the document as an email attachment, click register your account in airSlate SignNow, and you’ll never need to print and scan papers to sign them again. Only a few clicks are required to insert a valid eSignature.