Fast and powerful .NET spreadsheet component, support data format, freeze, outline, formula calculation, chart, script execution and etc. Compatible with Excel 2007 (.xlsx) format and working on .NET 3.5 (or client profile), WPF and Android platform.
As I see in the documentation, there should be an export to the PDF feature, but I can't find it.
https://reogrid.net/document/io/excel-file-format/#multiple-format-support