SMF Custom Theme / Themes Services - Page 9
To answer your first question, yes it can work that way. There are many businesses that use SMF in this same way. For instance if you are selling computers you can establish a board about a certain make and model and have various FAQ and threads (topics) related to it.
For the second question - that is what we do! just go here and fill in the details of what you need SMF Custom Theme Quote
and we will get back to you right away.