The use cases shown on the page https://www.pixeltrue.com/frontliner-heroes https://www.pixeltrue.com/frontliner-heroes are all derivative works. BY-SA means yo

The use cases shown on the page https://www.pixeltrue.com/frontliner-heroes https://www.pixeltrue.com/frontliner-heroes are all derivative works. BY-SA means you can sell the picture but as so as you add text it's now a new derivative work (like every example on the page)