Most file types can be viewed or played within Cinny. Viewing PDF files in Cinny does fail. That is why currently the view button is disabled with [this patch](https://github.com/Danfro/cinny-ut/blob/d0e166c4b7d621705a401892fc8ee72ed1fe5aa8/patches/9002_disable_currently_broken_view_pdf.patch).
Most file types can be viewed or played within Cinny. Viewing PDF files in Cinny does fail.
That is why currently the view button is disabled with this patch.