Our design team has been trained to ensure editability of presentation is not compromised while trying to add esthetic/cosmetic value to the presentations. This is treated as one of the key criteria.
Important Note: Having said above, there are some aspects of design like infographic or creative visuals prepared by professional designers on our team. While, such visuals are technically editable, one needs relevant expertise and design background to modify it in correct manner. It's advised that the Aesthetical value additions (design theme, color scheme and overall persona, infographic, visuals) are not altered drastically to retain the professional look of PPT. However, the factual data (text, numbers etc.) inside such graphic is editable.