Auto AI resizing in Photoshop using the one ad size to multiple ad sizes. e.g. We have created one 300px x 250px ad and on one click the layout will reflect on all horizontal sizes using artboard. It seems Creatopy has been implemented already, Maybe, I am late to the party.
Please refer to the below link. (Timestamp: 1:43)
https://www.youtube.com/watch?v=cLLmJjgPIJk
Hoping for the best.
Thank you!
Girish Dalvi