Aspose.PDF Cloud SDK for Ruby is developed on top of REST API which allows you to create, edit and convert PDF files in the cloud. The API allows you to create PDF documents from a number of other file formats including PCL, HTML, XML and images. Moreover, you can convert PDF documents to various other formats including HTML, DOC, JPEG, XPS, TIFF, TXT, PDF/A, PDF/A_1a, PDF/A_1b and so on.