This is most likely because OP used Euros. In Europe, prices are listed including VAT. So in day to day life, you only see prices with VAT for your country included.
I‘m using it in for an internal application and the results so far are amazing. Considering it was hacked together in a few hours.
It helps a lot with discovery. We have some large PDFs and also a large amount of smaller PDFs. Simply asking a question, getting an answer with the exact location in the pdf is really helpful.
I do not think this will be an issue for big companies.