Adding Seed Values to Signature Fields

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When you digitally sign a PDF, usually you can sign using any supported certificate, from any
certificate authority and state any reason for signing that you like. This is fine in most cases but for
tighter security or to control the document approval workflow, the author of a document might
want to limit the choices a user can make when signing a document. This can be done by applying
“seed values” to a signature field. Seed values are properties that are used when applying your
signature to a signature field. The properties are stored in the signature field and are not altered
when the field is signed, the signature is cleared, or when the form is reset.

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