Thanks for your inquiry. I will answer your questions related to Aspose.Words.
Aspose.Words for .NET is a class library that enables your applications to perform a great range of document processing tasks. Aspose.Words supports DOC, DOCX, RTF, HTML, OpenDocument, PDF, XPS, EPUB and other formats. With Aspose.Words you can generate, modify, convert, render and print documents without utilizing Microsoft Word®
Yes, Aspose.Words does support Visual Studio 2012 (.NET framework 4.5
) and you can confidently use Aspose.Words component with .NET Framework 4.5 even in ASP.NET
development environment. Secondly, currently Aspose.Words does not offer DLL specifically written for .Net Framework 4.5. Please use Apsose.Words.DLL from net2.0
Regarding your Aspose.Cells related question, I am moving your thread in Aspose.Total forum where you will be guided appropriately.
Please let me know if I can be of any further assistance.