To protect you pdf, I suggest you to use a PDF Embedder plugin. To learn more about it, please read the following article from WP Explorer: How to Embed PDF Files in WordPress.
Hope this article help you find the more suited plugin to your needs.
Don’t hesitate to share with us which plugin you have chosen. I’m sure it will help other users facing the same issue. By doing this, you will be making a great contribution to this forum, and we thank you very much for that! #SharingIsCaring 💪🏻
You're trying to setup your theme but you're experiencing errors when importing the demo content? Or you've just followed the setup guide but your website doesn't look exactly like our demo? These are common issues for which you can find easy and quick fixes.
Feel free to review our theme on Themeforest! It helps us making our products more known to new potential customers, which allow us more time to improve the quality and develop new features. #SharingIsCaring ❤️