Is there a way to restrict editing to only certain fields? I need to create a generic form with fields my project managers can fill-in and lock so that the fields cannot be edited once emailed to our client. However, this same document must have a few fie

Is there a way to restrict editing to only certain fields? I need to create a generic form with fields my project managers can fill-in and lock so that the fields cannot be edited once the PDF is emailed to our client. However, this same document must have a few fields available for comments to be written by the client upon receipt.