To export not really. You should be able to go to your localhost root folder, select your wordpress installiation folder, and select wp-content. Copy this entire folder to your desktop. Then right click it and send to compressed folder.
In your internet browser, go to http://brleader.com/cpanel
Click file manager, Choose the default root,
Navigate to where you installed wordpress and click upload(make sure you have no files on the wp-content folder on server). Choose the zip "wp-content" folder from the desktop and climc select file Upon upload completion click return to file manager. Then click the compressed "wp-content" folder and click extract above. When asked if you want to overwrite the existing folder, click yes.