The Adobe Acrobat software allows you to create, edit and share PDF documents. You can also use Adobe Acrobat to show your approval of a PDF document by adding a digital signature. Like a handwritten signature, a digital signature identifies you as the person who signed the document. To add a signature in Adobe Acrobat, you should have already created and saved your digital signature by scanning it or using a pen tablet. Signing a PDF document is the only way to add a signature to Adobe Acrobat. Writer Bio
