Welcome to the dev forum @dandyfiner
Images with text aren’t prohibited AFAIK.
In fact, here’s how OpenAI enables PDF content inputs:
How it works
To help models understand PDF content, we put into the model’s context both the extracted text and an image of each page. The model can then use both the text and the images to generate a response. This is useful, for example, if diagrams contain key information that isn’t in the text.