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Seed values offer additional
control to document authors by letting them specify which choices
a user can make when signing a document. By applying seed values
to signature fields in unsigned PDFs, authors can customize options,
and automate tasks. They can also specify signature requirements
for items such as certificates and timestamp servers. For more information
about customizing signatures using seed values, see the Digital Signature User Guide (PDF)
available at www.adobe.com/go/learn_acr_security_en.
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