I am very qualified to speak on getting Stronger, Leaner, and Faster as I have done all three. At my strongest I was able to bench over 600 lbs raw. I also happened to weigh 328.5 lbs. It's no coincidence I was my strongest at that point.
As far as leaner is concerned, I have gotten myself down as low as 9.75% body fat. I know that's not exactly shredded, but from what I have been told and read, single digits are not easy to come by.
Last, I have gotten faster. There was a time I couldn't walk half a mile without stopping. Pretty recently I ran my first 5k in just over 30 minutes. Again, I know that's not a world record pace, but relative to where I had been as a lifelong asthmatic and someone who doesn't run, it was a vastly improved pace.
Here's the most important statement I can make regarding the above accomplishments, they were not done simultaneously. A quote I have taken from Jim Wendler that has served me well is, "You can't serve two masters at once." I know I have many loyal readers who have probably heard this from me before, but it bears repeating.
Now if you are a newbie to training, you might be able to accomplish these three feats together, but that will be short lived. The truth is, if you have trained for a number of years, you'll have to attack these goals separately. They all require different training methodologies and you'll have to prioritize one goal over another.
I think one of the biggest problems there is today regarding training is social media. We all see these amazing specimens of men and women out there that we want to emulate. However, with that, you pretty much see a snapshot of someone's life and that's it. you really have no idea what it took for those people to get where they are. You don't know the timeline. You don't know the sacrifice.
This is not to say you can't accomplish the goals you want. It will take time, dedication, and persistence. You will make your best progress by staying single minded with your focus. Remember, there are seasons to be strong, seasons to be lean, and seasons to be fast. You can be a Jack of all trades, but you can only be a master of one.