Working with PDFs on Windows doesn’t have to come with high subscription costs. Right now, you can get the all-in-one PDF editor, PDF Agile, for Windows for only $39.99 (reg. $119) through StackSocial ...

The PDF++ plugin seems to be optimized for desktop use and doesn’t work on mobile screens. That said, I managed to get it working in the Obsidian app on my iPad, allowing me to manage and annotate ...