You have your new employee who have just accepted your job offer and signed your job description, job acceptance and job offer but before you assign them to that client, make sure you complete the onboarding process which includes
Background check
The Items in the background checks can be configured in softiya setting section. You can Add or remove items but you should know what the state you are licensing requires and make sure to add those items first. The system allows you to skip the background check items but keep in mind they will be pending under the employee file under background tap.