...
The Signature API is packaged with NuGet.
It may be fetched from the package sources listed in the
/wiki/spaces/NETDEVAPI/pages/79527958installation section of the NET-DeviceAPI documentation.
The package name is SigSignAPI.
...
stepover-pdf-service-windows-x64-5.3.0_b221.exe
on Windows, 64-bit, x64,
stepover-pdf-service-windows-x32-5.3.0_b221.exe
on Windows, 32-bit, x86,
stepover-pdf-service-unix-5.3.0.sh
on Linux, x64,
...