Aspose.Words ...以像素为单位计算文本的widt

I have an MVC3 C# .Net web app. I am using Aspose.Words to create an MS Word document. I have a requirement to not include tables in the document. However, on several lines of the document the alignment of the text is mis-aligned depending on the width of the text.I have an MVC3 C# .Net web app. I am using Aspo