Get another user's certificate information
1.		Do one of the following:
		• Ask the user to export their Certificate and email it to you.
		• Choose Document > Manage Digital IDs > Trusted Identities. Click Request Contact, and follow the prompts to email a request.
2.		When you receive the email message containing the other user’s information, open the FDF attachment, and then click Set Contact Trust.
3.		Click Import.
The certificate is added to your list of trusted identities, letting you verify that user’s PDF signatures.
Signature Topics
Building a list of trusted identities in complete Help