I am designing these sort of digital portraits. Can it be sold? what could be relevant use cases of these images?

[sushilm96855309]

[hans-g. · Accepted solution]

Hello,

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Hans-Günter

[twaritar3263062]

Moving to Adobe Stock Contributors​

[sjlocke215]

It could be licensed if you hold copyright to the original image.  You can try uploading it, but the heavy filter use will probably get it rejected.  If accepted, it probably wouldn't be licensed anyways as the look is very niche.