The Pro version of Sourcerer gives you Advanced Security control. This means you can control who can use what features of Sourcerer on your website.
Prevent registered users from placing Sourcerer code on your forum or message board? Sourcerer Pro has you covered.
Don't want your authors to be able to place PHP code, but let them place JavaScript through Sourcerer? No problem.
See the different Security tabs in the Sourcerer system plugin settings for all the different options and settings.