Hey Jessica,
You can cut wood up to 3 mm and engrave most materials which are not metal. If you need some assistance there is alot more help available at
https://www.facebook.com/groups/107222596696733/
Benboxlaser.us
The discord channel listed at the top of this page.
The biggest thing you will be asked is what software you are using. The most common are T2 laser and lightburn. Also you can check out my youtube channel for some tutorials on starting with T2 laser.