Yes, Standalone Report Designer is included with Report Viewer SDK license for creating reports. You can create reports with Standalone Report Designer application and save it in your application or share the network location for using them with the Report Viewer and Report Writer.
If you want to add Report Designer component to your application (for create and edit functionalities), you should purchase the Embedding Reporting license with Bold Reports. To know more about licensing, please refer to What are the differences in Bold Reports licensing models.