DXC-1.7.2207.tar.gz contains includes and libs (win64, linux64, macosx), linux requires only common libs (most portable version).
linux64-ubuntu-22.04.tar.gz contains single DXC lib built for Ubuntu 22.04 (requires libtinfo.so.6)
linux64-astra-2.12.46.tar.gz contains single DXC lib built for AstraLinux-2.12.46 (requires libtinfo.so.5)
linux64_rosa-12.4.tar.gz contains single DXC lib built for Rosa Linux 12.4 (doesn't require any libtinfo*)