We have found 4 software records in our database eligible for .numbers to .pdf file format conversion.
You can definitely export .numbers spreadsheets as PDF documents in the default Numbers app for macOS and iOS. If you do not have access to any of the Apple devices, you can use a workaround using iWork for iCloud accessible through web browser.
Some later versions of LibreOffice Calc can open (and thus export to PDF) some earlier versions of Numbers spreadsheets, but this may not work well for some of the latest versions of the format.
NUMBERS
Files with numbers extension can be traditionally found in a spreadsheet format of Apple Numbers application on Mac OS X (macOS), iOS, and as a web service. Numbers spreadsheets can only be opened in the Numbers app; no 3rd party program can open or convert it to another format.
PDF
A pdf file extension is mainly used for Adobe Portable document format, commonly referred to as PDF. All programs that create some sort of documents or projects offer the possibility to export their format to PDF format. A free PDF viewer (Adobe Reader) is available for download from Adobe website.