This AMI is a CentOS Linux image provided by Xilinx Inc. The AMI is pre-built with FPGA and SoC development and runtime tools to program the latest and greatest Xilinx devices.
Vivado Design Suite offers a new approach for ultra-high productivity with next generation HDL, C/C++ and IP based designs. Vivado supplies design teams with the tools and methodology needed to leverage C-based design and optimized reuse, IP sub-system reuse, integration automation and accelerated design closure.
Read more about Vivado here - https://www.xilinx.com/products/design-tools/vivado.html

Users targeting AWS FPGA Instances should use the AWS FPGA developer AMI:
https://aws.amazon.com/marketplace/pp/B06VVYBLZZ?ref=cns_srchrow