Additive manufacturing (AM) technologies represent a rapidly advancing field that aligns seamlessly with the framework of Industry 4.0. These technologies are easily integrated into modern digital concepts such as the smart factory, where they offer significant benefits in both logistical and economic domains. By leveraging AM technologies, manufacturers can respond swiftly to market demands, adapt to product changes, and modify production processes with remarkable agility. This chapter explores the advantages and disadvantages of various additive manufacturing systems, emphasizing their potential incorporation into the digital factory concept. The study deals with production optimization strategies, focusing on both economic efficiency and ecological sustainability. By examining the impact of AM technologies on production workflows, the chapter highlights how they contribute to flexible, cost-effective, and environmentally conscious manufacturing processes. Furthermore, it discusses the role of AM in enhancing supply chain responsiveness and reducing material waste, positioning it as a key driver for future industrial transformation. This chapter provides an information about capabilities and limitations of additive manufacturing within the context of smart factories and Industry 4.0, offering insights into how these technologies can be optimized to balance both economic gains and environmental responsibilities. This chapter will contribute to the broader discourse on the evolving role of digital and additive technologies in modern industrial systems.