OpenOffice Calc provides a feature for converting a Spreadsheet in to a PDF. This can be done using Export Directly as PDF or Export as PDF option. To quickly convert an Calc Speadsheet to a PDF, you can use Export Directly as PDF option available as part of the menu option as shown below.
Clicking the Export Directly as PDF menu option will display the following Export dialog. Enter the name of the PDF in File name field and click Save button.
The converted PDF will be saved as shown below
But if you want to specify more PDF option during export, then you can use the Export or Export as PDF menu option available as part of the File menu.
After specifying the required PDF options, click on the Export button to covert the Spreadsheet to PDF.