Maybe your live environment is writing the output somewhere else then you are expecting. Can you search your server for the file 'Snakeware.Page.jpg'?
And can you try it without 'Server.MapPath'? Magick.NET 'understands' the '~' and uses 'AppDomain.CurrentDomain.BaseDirectory'.
And can you try it without 'Server.MapPath'? Magick.NET 'understands' the '~' and uses 'AppDomain.CurrentDomain.BaseDirectory'.
images.Read(@"~\2014_HPP_Plan_2-11-14_REV.pdf"), settings); // AND image.Write(@"~\developeruploads\Snakeware.Page.jpg"));