Anyone know how to unlock the ability to edit?

I am a PhD student trying to format my thesis proposal to accept a digital signature. I managed to set up, on the contrary, if the document cannot be changed. Does anyone know how to unlock the ability to edit in Adobe Acrobat?

Did you accidentally sign (certify) the doc and block it? If so, turn off your signature (right-click on it and choose clear).

Ben

Tags: Acrobat

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