So can anyone suggest a simple solution that would help me to remove restrictions from PDF documents? Two Solutions to Unlock PDF for HighlightingĢ- Professional Software Method 1: Adobe Acrobat Pro DCĪdobe Acrobat Pro DC provides the functionality to remove PDF highlighting restrictions from PDF documents.

Therefore, I searched online and came to know about the main reason behind this problem i.e.

Although, I tried to add some comments and stick notes to it but it is not allowing me to do so. “I need to review some documents on an urgent basis. Can anyone tell me why I cannot highlight text in PDF?” However, I am not a frequent Adobe user & don’t know why this PDF highlight tool is not working. In addition to it the sign button is also disabled. However, while doing this, I found that the Highlight tool is not working & it is greyed out. “I downloaded the trial version of Adobe Acrobat Pro DC online & tried to highlight some PDF text using it. Why Users Want to Remove PDF Highlighting Restrictions Therefore, to enable PDF highlighting and other permissions it is necessary to remove restrictions from PDF files. When the file is restricted for commenting it can’t be highlighted, comment, or annotate. Whenever the files are protected with owner level security certain actions are not allowed and one among them is PDF commenting. The main reason behind this problem is security in PDF files. But, sometimes people find that this highlighting tool is not working. This PDF file highlighting, commenting, annotating can be done with the help of Adobe Acrobat Reader or with Adobe Acrobat Pro DC. Also, annotating PDF documents is the best way to draw attention to specific items. Highlighting the PDF documents allows users to organize content and making others to find important information quickly inside a lengthy document. It’s because here we have illustrated the best solution that will let you know how to unlock PDF for highlighting. If you have ever been in the situation why you cannot highlight text in PDF document due to security then this blog is for you.

How to highlight a pdf