We have found one software suitable in our database for this conversion.
In broad sense pdf to ods conversion simply means recovery of spreadsheets from PD documents and saving these in OpenDocument ODS format, typical for OpenOffice or LibreOffice.
In specific scenarios there might be particular type of content in PDF documents, for example references and to export these you have to use some dedicated tool, for example the popular JabRef.
Updated: October 23, 2023
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.
ODS
Files with ods file extension can be nowadays commonly found as spreadsheets saved using Calc program from OpenOffice.org, LibreOffice and perhaps other office productivity bundles that use documents based on OpenDocument Format schema.