hi project manager is it ok if can i use photoshop software not ai or vector file?

HI, projecy owner. i just see update in the brief, in the ppt file, i've see what style you want, but your project is still deciding, i think no designers can make a style you want, but my last design looks like your want, right? can you open this project in 3 days, and i'll try follow the style you want, you can continue coorperate with me.