Spreadsheet to PDF in C# — No Office, No Printer Driver, No PDF Library
"Email them the report as a PDF" is a one-line requirement that turns into a week. Office Interop is unsupported in a service, the Print to PDF driver needs a spooler, headless Chromium is a browser in your image, and a PDF library means re-laying-out the table by hand. ReoGrid V5 exports PDF with the same rendering engine that paints the grid. Everything PDF output needs is built in, including a Japanese font, so it runs as-is in a Linux container.
