Description of jPDFViewer program at Mac Shareware: jPDFViewer is a Java bean that you can embed in your Java applications
and applets to view PDF documents.

jPDFViewer is a Java bean that you can embed in your Java applications
and applets to view PDF documents. With jPDFViewer, you can deliver
content to your users right through your application without the need to install third
party programs.
jPDFViewer is platform independent, so it can be used in any
environment that supports Java, including Windows, Mac OSX and Linux.
jPDFViewer has a simple interface to load PDF documents and provides
scrolling and printing capability. It can open PDF files given a file name on a
local or network drive, from a URL and from an input stream for files that are generated
runtime or come from a database.
TrueType, Type 1 and Type 3 fonts supported.
Adobe Acrobat 7.0 (PDF version 1.6) support
Support for all image types, including JBIG2 and JPEG2000.

jPDFViewer is a free to try software. You can free download and try it for an evaluation period.