Please post different questions via separate topics.
1/ “kindly please guide me on how to fix the color variation issue in woo commerce” – describe the problem in more detal. provide temporary wp-admin access, so we can take a closer look.
2/ “the issue is wanting a Figma file for the size guide to editing both files I am not able to see that” – sorry, but your request is unclear to me. Please describe it in more detail.
Size-Guide.psd file you can download from this page – https://dropmefiles.com.ua/ua/2Kh68PywX
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.