@mbmabadie
As of now there is no way of retrieving data from dashboard using APi meaning you cannot use Python to read your exact data from Looker Studio directly.
Instead you can try to connect with BiGquery dataset or wait until Google Ships its new feature which is going to be a gemini connected to Looker Studio. But its capabillities are still unclear for most of us but Google Employees.
A solution you could use is a multimodal Gemini reading and interpreting a data from PDF. I would rather not expect anything really deeply advanced but it has some decent capabilities in reading PDFs and images and parsing data into JSON or summarizing as text.
It would be a definitely fun development process but not sure what kind of outcome you expect.
Here you can read about Gemini multimodal model:
https://cloud.google.com/vertex-ai/generative-ai/docs/multimodal/image-understanding
Try Vertex Ai and test first before you go too deep into development without clearly seeing results.