after endless tries on my acoustic guitar my fingers start to hurt and of cause it sometimes causes abit of buzzing noise or tweaking noise in the recorded track...
Welcome to the wonderful world of Home Recording.
If your fingers are getting sore from playing, then there are a couple things to consider
First, perhaps you need to practice more to strengthen and toughen up your fingers. Run through some warm up drills on a regular basis (daily) to train your fingers to land on the strings properly, and to build up your strength. You should be landing right behind the fret. If you land too far back from the fret then you have to push too hard to get a good tone, and you might be subjecting yourself to excessing fret noise from not pushing hard enough on a bad finger placement.
Second, maybe your guitar needs a tune up. Check your string gaps off the frets and run through some checks at recommended positions for abnormal buzzing which may help indicate if your fretboard is set properly. There's lots of youtubes and how-to's that discuss fret buzz. Maybe your bridge and nut heights are out? Maybe your truss rod needs an adjustment? There's a million combinations of things that can affect the amount of buzz coming out of your guitar. It's not a trivial thing. If you are not comfortable figuring these things out and fixing it yourself, then find a luthier in your area to run your guitar through a setup.
If these checks all work out, try a new set of strings. Try different gauges too...especially if you are using alternate tunings on your guitar. Alternate mic locations may help but you gotta know your guitar is in good shape and you are playing it well before you try to record the sound coming out of it.
Finally, Don't expect a machine to fix everything for you. There is something to be said about having a well tuned instrument, and playing it well. Avoid trying to get all those fancy presets in
Studio 1 to fix the bad sound for you. Garbage in = Garbage out.