12/28/2022 0 Comments How to stamp seal in pdf viewer mac![]() The Batch: Apply Stamp dialog box appears. If a document is not open in Revu, and it is not checked out/locked by another user, changes will be applied and saved to the document automatically (without opening the document in Revu). If a document is open in Revu, any changes resulting from the batch process will be made to the document, but the document will not be saved or checked in (if relevant) the user will need to save and check in the document manually. ![]() PDFs do not need to be open in Revu when the batch process is run. Selecting a region changes the language and/or content on Batch Stamp process can be run against any number of PDFs, a single, multi-paged PDF, or a Set. The PDF creator must enable usage rights for Reader users ( File > Save As Other > Reader Extended PDF). Acrobat and Reader can embed the required elements, if the elements are available. If the required elements are available and embedded during signing, the signature can be validated requiring external resources for validation. ![]() The required elements for establishing the validity of a signature include the signing certificate chain, certificate revocation status, and possibly a timestamp. Without conforming revocation status, the signature cannot be validated. Once a certificate expires, the issuing authority is no longer responsible for providing revocation status on that certificate. This limitation occurs because certificates related to the signature eventually expire or are revoked. Without certain information added to the PDF, a signature can be validated for only a limited time. ![]() Embedding these elements can occur when the document is signed, or after signature creation. To achieve long-term validation, all the required elements for signature validation must be embedded in the signed PDF. Long-term signature validation allows you to check the validity of a signature long after the document was signed. ![]()
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