<p>It depends on whether the author of the PDF file allowed users to type inside it. If not, then even Professional will not help.</p>
<p>These "features" are just a part of why people use PDFs: the files are secure. Authors can prevent others from tampering with a document they have written. So if universities chose to prevent the file from being filled in, then there is nothing you can do than print it out and write on it.</p>