Foxit Reader cannot convert scanned text into machine-readable text.
To make the scanned texts recognizable, please download Foxit PhantomPDF Standard/Business which supports OCR (Optical Character Recognition). For more information about Foxit PhantomPDF, please visit http://www.foxitsoftware.com/PDF_Editor/ .
To download Foxit PhantomPDF Standard/Business, please access https://www.foxitsoftware.com/downloads/ .
If you have a scanner with an integrated OCR feature, you can scan the document with the OCR feature and make the text available for recognition.