It may work in some browsers or under some Windows configurations.
IB does not test enough across all browsers and that is also true of other brokers. Tradestation is one of the worst - their forums will only work on IE.
What happens is that various programs can set their own file associations for .pdf etc. in both Windows and in browsers, so the various combinations can lead to grief.
If you newly installed Chrome it needs to have the Java plugin installed to run TWS directly.
I use Chrome and when I saved the pdf from IB using Google's built-in pdf reader, it created an invalid pdf file. You can disable the built-in reader if you go to "about: plugins".