"its skills" is correct and usable in written English.
It is a possessive form of "it" and is used to refer to the skills of something or someone. For example: "The robot demonstrated its skills in complex tasks."
It shares its skills and expertise with professionals working in the field of hearing impairment through training and mentoring.
Then it improved its skills by playing millions of games against itself.
Enterprise architecture isn't something to help IT show off its skills.
If the acquirer doesn't know the new business intimately, it may believe that its skills are valuable when they aren't.
Train it and work on its skills.
Although North Korea has a spotty record with missile tests, it appeared to have mastered its skills with Scuds.
It would also allow Heartland to upgrade its skills in establishing and managing international joint ventures.
At the same time it was wooing the military, SCL was using its skills to help win elections.
You could almost consider it a "human to machine" language translator that develops its skills every day.
It said the nation needs to cash in on its skills in manufacturing of plant and equipment, electricity generation, low level waste disposal, engineering and environmental management.
It learned from watching humans play at first, but soon honed its skills by playing against facets of itself.
