I don’t know if it’s the same in the US, but I just got a new car here in Canada and it came with a free 3 months of Sirius XM. I activated the account thinking I could go to the website to cancel, but cancellation is only possible through their 1-800 number. I’ll have to look if something similar exists here so I can…
If you upload all the PDF files to OneDrive (free or paid) they will be fully searchable from the Onedrive search bar.
I do a lot of genealogy research online, and when I want to keep a page, I use Zotero. It takes a local snapshot of the page and will index it for easy retrieval. You can also add meta data and tags to your page.