Using https://products.aspose.com/slides is expensive if you want to programmatically create a powerpoint slide.
A typical UI component for input is seen in the attached slide (Spot Element on a performance grid), which would then be rendered into a powerpoint slide (spot on a grid). This is very typical in performance reviews, but also tracking High Flyers, eg are they too skilled for their current position and need to be promoted.
Telerik have existing components that could be used, just need to save as a PPT slide instead of a PDF. If there was a Web Component (reuse for HTML5 Chart code) then Export to PowerPoint instead of PDF then you are almost there.