: There are open-source PDF editors available, such as LibreOffice Draw, Apache PDFBox, and Okular, which can offer similar functionalities without cost.
The most straightforward and safe method to obtain a free or discounted license key is through official channels. Tracker Software occasionally runs promotions or offers special deals, especially for students, educators, and non-profit organizations. Signing up for the company's newsletter or following their social media accounts can provide access to these offers.
: Perhaps most importantly, using licensed software is legal and ethical. It supports the developers in continuing to create and improve their products.