Validating html form
After reviewing the report, you can contact the author of the document about the problems listed in the report.
You can also use When you certify a PDF, you indicate that you approve of its contents.
The feature lets you find out if the document contains any dynamic content or external dependencies.
It also lets you find out if the document contains any constructs such as form fields, multimedia, or Java Script that could affect its appearance.
panel displays information about each digital signature in the current document and the change history of the document since the first digital signature.
Each digital signature has an icon identifying its verification status.
When you receive a signed document, you may want to validate its signature(s) to verify the signer and the signed content.
Depending on how you have configured your application, validation may occur automatically.
It then suppresses that content, allowing you to view and sign the document in a static and secure state.
Signature validity is determined by checking the authenticity of the signature’s digital ID certificate status and document integrity: In Acrobat or Reader, the signature of a certified or signed document is valid if you and the signer have a trust relationship.
The trust level of the certificate indicates the actions for which you trust the signer.
You can change the trust settings of certificates to allow specific actions.
For example, you can change the settings to enable the dynamic content and embedded Java Script within the certified document.
You also specify the types of changes that are permitted for the document to remain certified.