Usually when you're editing audio, certain types of compression is a big nono, mainly because it can make the audio quiet or muffled depending on how hard you set the gate. Usually the process for editing is going to be noise reduction (if needed), Tube-modeled Compressor (if needed), then equalization (pretty much needed for most stuff). Noise reduction is fairly simple, just try to have some silence in the recording (1 second at least, 3 seconds if you want it more thorough), then select just the silence and capture the noise print (Shift+P), and noise reduct it selecting the entire file. (CTRL+Shift+P). If there are any parts that are a bit too loud then try to run it through a tube modeled compressor with the Voice Leveler preset, it should level and clean up things a good bit. (That path being Effects>Amplitude and Compression>Tube-modeled Compressor) Then equalization so you can bring out the good parts of your voice (Depending on how detailed of a cleanup you want 10, 20, or 30 bands, might want to work your way up the complexity) the frequency range goes from left to right from lowest to highest so depending on what voice (that being lower to higher) you can choose which parts you want to glow more. Preferably try to go for the Graphic Equalizer (The path for that being Effects>Filter and EQ>Graphic Equalizer) If you want a brighter sound then try the preset in the effects rack called Music Enhancer, it really helps but if there's any hint of a hiss in the background then it will make it a lot worse, but I recommend just testing the waters with it. Hope this helps a bit, most of the advice was given by a friend named MykUnyd.

Sorry for the text wall, it's a bit hard to be concise when you're getting advice from a friggin' nerd.