Invoice Generation Using Conga Invoice Generation Current: Conga Invoice Generation Features and Functionality PDF Download PDF Download page Conga Invoice Generation Features and Functionality. Current page All pages Conga Invoice Generation Features and Functionality Conga Invoice Generation for Salesforce Billing includes all of the features and functionality of Conga Composer with the following exceptions:Customers can only generate documents from the objects within the Salesforce Billing installed package (those with the blng prefix).Word and HTML Email are the only supported template types.Email and PDF are the only output file types.Up to 1,000 free invoices per month. Additional service events can be purchased.Product support is provided by Salesforce CPQ (not Conga directly),The output document will include "Powered by Conga" in red letters, in the document footer ×