Power Apps
Enable the Export to PDF Ribbon Button
Dataverse allows you to easily generate your Word Templates as PDF files. Last year they expanded the functionality beyone just the out of the box sales entities to all custom entities.
tag
Dev Tools
Convert Markdown Documents to PDF Using md-to-pdf
How to convert Markdown documents (e.g. an Azure DevOps wiki) to PDF using the md-to-pdf npm package, with examples of project setup, configuration, and generation.
Misc
Online PDF Permissions Remover
Based upon the 20 or so PDF unlockers I have used this one has always worked the best for me.