Step 1 : Go back Customize Report format > Click on the Chinese word text box > Find the “Font”

setting in Appearance.

Step  2 : Click “…” button on the Font setting > Select Font type = Arial Unicode MS > Click “OK” 

Step 3 : Save the Report format. 

Step 4 : Go back Transaction > Preview > Export to PDF file again. Now Chinese Words able to export to PDF file as well.

Please refer attachment for details