To enable Vitis acceleration features, you need to have a Vitis extensible platform. This video walks you through the steps of Vitis embedded platform creation and provides a step-by-step tutorial for making your own platform:

• https://github.com/Xilinx/Vitis-In-Depth-Tutorial/tree/master/Vitis_Platform_Creation
• Xilinx Forums for discussion: https://forums.xilinx.com