If you are using the Apttus Contract Management package version prior to 11.546 version, the system administrator must assign Apttus.Comply System Properties to your user profile to enable PDF security feature for your profile. If you are using the Apttus Contract Management package version 11.546 or later version, the PDF security feature is enabled for all user profiles by default. For more information, see PDF Security for Agreement Documents topic in Contract Management on Salesforce Administrator Guide.