Rotto Rotto Posted February 27, 2023 Report Share Posted February 27, 2023 Hello, for start our firm use only free version Nitro Reader. We use Wacom Sign Pro PDF app to sign documents. We sign it - signature is valid - we saved it in PDF file. When we open it in Nitro Reader it says the signature is invalid. Sometimes it shows yellow question mark, sometimes it shows red cross. How can I fix it? Thank you Barbora Zipserová Link to comment Share on other sites More sharing options...
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