No, you can't use Paradox Converter to import tables from SQL Server because this application is used only to convert DB files (Paradox) to following file types: DBF, Excel(XLS, XLSX), CSV, SQL (MySQL, SQL Server, Oracle), TXT, XML, RTF, XML, and HTML.
This is taken from the official website of the developer: http://www.dbf2002.com/paradox-converter/