Is there any limitation compared to official version? For example, is this version blocking any functions?
It's not specified about the limitations of this software, but according to the data on the official website, certain versions of GX Works 2 are compatible for various Series. This means you will have to use the correct version for your series.
Support page: https://us.mitsubishielectric.com/fa/en/products/controllers/programmable-controllers-melsec/engineering-software/gx-works/gx-works2