Here’s an inexpensive utility to help you publish using the popular PDF (Portable Document Format) standard.
The benefits: no one will see your formulas and tables and editing changes, and the format won't break the way Word can.
Also you can do cool things like watermark the document.
This is the product to buy: click here.
A great way to avoid paying for Adobe's complete Acrobat for routine uses, although that does have many features power publishers will need.