Elysianknight, you've said that you're a beginner but I don't know if you're just a beginner with Scribus or with DTP or with computing in general so I don't know how to best word this advice to put it in the correct context, so I'll just say it and you can reply if you need clarification.
One thing you'll need to be aware of if you're exchanging the files related to a Scribus document - using the "Collect for Output" function as recommended by utnik - is that the fonts you use may not be available (or usable) on some systems.
If you or someone else uses a font that isn't one of the "web standard" fonts - Arial, Times New Roman, etc. (all of the boring ones) - anyone else wanting to edit or view the SLA may also need to install that font. Otherwise there will be a font substitution and the document may not look the same.
This may or may not be a problem depending on the font in question. For example, some Microsoft fonts can't be used on non-Microsoft machines because of copyright issues and the like. The same is true for some Apple fonts, but some fonts are perfectly usable on most machines.
Also, certain types of fonts are problematic when trying to use them on certain types of machine. Fonts, in general, can be Postscript, TrueType or OpenType and some systems don't like using certain types of fonts under different circumstances. It's difficult to give any general recommendations as there are so many permutations but this link may give you a start in finding out more information:
http://www.fileinfo.com/help/fonts_mac_windowsAnd make sure you don't install two fonts of different types with the same name. This can confuse many systems and applications.
All of this may not be a problem for you - and I hope it isn't - but if you check first before you use a font it can help to lessen any issues along the way.
Oh, and be careful when downloading free fonts from the web. Some of them aren't very well put together and can create all kinds of problems. Find a trusted source - this is a good place to start:
http://openfontlibrary.org/ - and make sure everyone in the group can install and use the font on their machine before using it in your project.
I hope some of this helps and I wish you luck with your Scribus work.