I keep finding Windows amazing. I'll admit to not using it much, because I seem more comfortable with Linux and MacOS on my desktop machines.
On both Mac and Linux, if you have searchable PDFs (i.e. ones with text, not just a giant image) all one needs to do is to open the file finder, and in the search box, type the text you are looking for. Voila.
It's so simple, so useful, just to search all files for the text.
Or, did I miss something? Likely, knowing me. 