If you want to extract Tables from PDFs, then there are some free PDF table extractor tools that can help you do it easily. Take a look!

If your document has many headings, it's a good idea to add a table of contents in case it will be accessed outside Google Docs, for instance, if you export it as a PDF or EPUB document. You can even ...

Learn how to display text set apart from your main document in Google Docs with either a table or an inserted drawing.