While the majority of Odoo installations go smoothly for primary operations, it is quite common for installations to have problems with a library called Wkhtmltopdf. If you have this problem with your own installation, you will see a message like the following:
Follow the link to http://www.wkhtmltopdf.org and look at the resources in the Appendix to learn more about how to install this package so that Odoo can properly display the PDF file.
After the PDF is downloaded, you can view it to see a preview of what your reports will look like. Note that these previews do not use data from your database, ...
