If you want the full version and license for commercial use,
you can purchase here :

https://staircaselab.com/product/purple-bougenville-font-duo/

File Font Version : 

1. Purple Bougenville Duo.otf
2. Purple Bougenville Duo.ttf
3. Purple Bougenville Duo.woff
4. Purple Bougenville Duo Italic.otf
5. Purple Bougenville Duo Italic.ttf
6. Purple Bougenville Duo Italic.woff
7. Purple Bougenville Script.otf
8. Purple Bougenville Script.ttf
9. Purple Bougenville Script.woff
10. Purple Bougenville Script Italic.otf
11. Purple Bougenville Script Italic.ttf
12. Purple Bougenville Script Italic.woff