Related: What Is a PDF File and Why Do We Still Rely on Them? If you don't have Adobe Acrobat Reader installed in your system, you can download the execution file and open it to follow the installation steps and get it installed. There are numerous online PDF editors available, which would help you do that but to keep things simple, we will use the Adobe Acrobat Reader DC to highlight texts in PDF. One such important change is the option to highlight sentences in the document.
But unlike Word documents, PDFs do not provide straightforward options to make changes to improve your document's readability. Portable Document Format (PDF) is a file format that can store text, images, and more as part of a coherent document. When it comes to documents, almost everyone would have come across PDF files.