Yes you can. To do this you must use your IP Address from your Welcome Email as the FTP address. Login with your assigned username and password.
Once the domain has propagated you can use ftp.yourdomain.tld (where "domain.tld" is your actual domain name).
Important Note: We offer many easy to follow video tutorials related to FTP and other features related to your hosting account.
Please visit http://rocksolidnet.com/tutorials