модуль подготовки отчётов к печати(A rendering extension that maintains the report layout and formatting so that the resulting file is optimized for a consistent printing experience, or to view the report online in a book format)
модуль подготовки отчётов к просмотру(A rendering extension that maintains the report layout and formatting so that the resulting file is optimized for screen-based viewing and delivery, such as on a Web page or in the ReportViewer controls)