Now that you have two brand new reports (report_01.prpt and report_02.prpt) developed starting from a blank page, let's see how to preview report_02.prpt in different formats. As you learnt in the introduction, Pentaho Reporting Engine is able to generate reports in several formats, independently from the development.
To preview a report choosing the format, click on the green arrow icon () visible in the toolbar. Once clicked, you will see a short menu appear with a list of possible formats. The following screenshot shows what the menu looks:

Choosing the Print Preview item is like choosing the default format; the default format is generated and downloaded locally. If you select the PDF format, you will see that the report is entirely generated and downloaded locally. If your client...