Hi Tomek,
Thank you for your interest in Syncfusion products.
Yes. It is possible to print selected areas of any worksheet using the code snippet given below:
sheet.PageSetup.PrintArea = "$A$1:$E$11";
Please refer to the sample demonstrating the same in the below link:
http://websamples.syncfusion.com/samples/XlsIO.Windows/F79077/main.htmRegards,
Geetha