How do you create a signature box in a PDF?

A PDF file can be uploaded to your account and a Signature Field can be taken from the toolbar on the left side of the screen. MSB Docs is perfect for signing e-papers of all kinds and adjusting them with fillable fields. Drag it anywhere in the document that you want people to sign it. Email the PDF by clicking Save and Close, then Invite to Sign. When your recipients open the PDF, they just need to click on the signature box and eSign it.