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How to add a digital signature to a PDF document with Adobe Acrobat Open your document in Adobe Acrobat. Click the Tools tab and scroll down to the Forms and Certificates section. ... Click on Digitally Sign from the new options bar. Select the digital signature you want to use and click Continue.

How to verify Digital Signature Open the PDF file in PDF Converter Professional. Left-click on the DSC field. Click ?Verify Signature?. Click ?Properties?. Click ?Verify Identity?. Add ?Contact information for certificate owner:?. Click ?Add to List?. Click ?Close?.

Update the document to Adobe Standards If the PDF was made in an older version of Adobe Acrobat, or some other form of file editing program, Adobe may have an issue validating the signature, as the document is altered once Adobe opens it, with the signature. Certain Fonts, colors or images may cause this issue.

Select the Trust tab in the 'Certificate Viewer' window. Select Add to trusted certificates to add the certificate as a trusted source, and select OK. Select the Certified documents check box to trust this certificate, and select OK. Select Validate signature.

In the signature Properties window click Show Signers Certificate button. Following screen will be displayed once you click on it. Once you click on OK button, following window will be displayed. ... Click Ok button in the following window. ... Once the certificate validation is done, you will get the following approval.

With your document open in Adobe Acrobat Reader, click File >> Print. When the Print dialog box opens, look for the "Comments and Forms:" drop-down below the Properties button, located in the upper-right. Click the drop-down and select "Document and Markups." Now print.

To do so, open the document in Adobe Acrobat or Adobe Reader. Click the Signature Panel icon then click ?Validate All? then ?OK?. The software will run a validation check to see if the digital certificate used to sign the document is valid.

Encrypt a PDF or PDF Portfolio with a certificate For a single PDF or a component PDF in a PDF Portfolio, open the PDF. ... Choose Tools > Protect > More Options > Encrypt with Certificate. ... At the prompt, click Yes. In the Certificate Security Settings dialog box, select the document components to encrypt.