These do not have a significant impact on alignment. They do not change the steering arm mounting points or geometry, and therefore do not have a significant design impact on the front end alignment. The major geometry change occurs in the location of the lower end of the strut, and therefore, the position and location of the front spindle. If you're already planning to do a front-end alignment, I would hold off until you install these first.
You may want to try doing the alignment yourself....it's really not that hard, and a good skill to learn, especially if you're planning to do some different types of racing and/or different tracks. Racers are always playing with different alignment settings to optimize performance. Good luck with it.