You would use the same Fill and Sign method to fill out the table as you would do a non-interactive PDF form. Open the table in Acrobat Reader, then go to the left panel and click Fill and Sign.

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3. On the right side of your PDF, there's a menu with several functions you can perform to alter the PDF. Scroll down the menu until you see the "Fill & Sign" option, and click on it.

Not long ago, my wife called from work. "I have to get this form turned in before 5, but the printer's broken. It's a PDF. I can open it, but there's no way to fill it out. What do I do?" Been there.