Sorry you are facing this issue, it would be my pleasure to help you.
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Thanks for your good question.
Please share your site URL,
I will check out the issue and provide you a solution here.
also check theme customization product page its allow this
can you please go to customization >>> open product page >>> please check left side product section just disable lightbox and gallery popup that it
This is an accepted solution.
sorry for that please flow this step