I signed and saved the document. As soon as, I can still change the document and therefore can't send an email safely.

I signed and saved the document. As soon as, I can still change the document and therefore can't send an email safely. How can I fix it?

Nothing will stop a PDF to be edited or tampered with; a few things will make it harder. That's why we use digital signatures. They don't stop editing, they mean that any change will be recognized as after the signature, so it is an unauthorized change. The signatures are on the interception of fakes, do not stop them.

Tags: Acrobat

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