Be sure to take a careful look at the license page to see how the SuttaCentral.net content can be re-used. There is a note about using SuttaCentral created content for AI training at the very bottom.
The license page indicates that the original Pali text is not under any copyright. But lots of folks around here are uncomfortable with even using those for training LLMs. If you want to avoid using any content at all from SuttaCentral.net, you can find an edition of the World Tipitaka here.
If you are interested in learning how to read Pali, there are Events > Pali Course offered from time to time.
You may also be interested in this discussion: Building a Pali language analyzer
I’m curious how you got interested in this. If you like there is a thread to introduce yourself