How to upload sample data for the borrow-loan-company-responsive-wordpress-theme
Check your theme folder, usually it provide there
Please check the theme documentation hopefully you will get necessary support how to import demo. If you have still problem with the theme then The best way to get the support is Contact your purchased Theme Author. Contact Author and let them know because Item Author are best expert about their Item functionality.
Also you can check your theme Option if you find anything related to the demo import.