PDF signing - which certificate

Which certificate is required to get the blue ribbon in Adobe Reader when signing a PDF?
Can it be anything from a CA or a special one? I read somewhere it must be based on the Adobe root certificate.

@benja8

Thanks for contacting support.

In order to digitally sign a PDF document, please check “Digitally Sign PDF File” article(s) in our API documentation. In case you face any issue while signing your PDF, please share sample PDF with us along with sample code snippet. We will test the scenario in our environment and address it accordingly.

Can you please answer the question?
Can it be any cert or must be an Adobe cert? I just need the blue ribbon in Adobe Reader

@benja8

Thanks for getting back to us.

You can use any certificate in order to sign a PDF document digitally. In case you face any issue while signing PDF, please feel free to let us know by sharing your sample PDF file along with certificate and sample code snippet. We will test the scenario in our environment and address it accordingly.