I've been using a bambu p2s and have been experimenting with ABS printing the past couple weeks. I'm not sure if the software you're using incorporates these features but see if it has something called "fuzzy skin". It will probably give you the option to paint any surfaces you choose "fuzzy".
What this feature does is introduce random jiggles into the extruders path on the surfaces you choose and let you decide how big of a jiggle. If you crank it way down to 0.05mm and combine this with 0.1mm layers, you will end up making the surface an almost eggshell matte consistency. Id also recommend lowering the speed on the outside walls considerably to prevent errors. The thinner the layers, the more likely it will fail at higher speeds. It will take a long time to print but it will be worth the wait.