@tiapoo,
2) Is it possible to pin(freeze) the y-axis when the chart is horizontally long which requires scrolling?
Please take a look at this JSFiddle for an example on freezing the y-axis and scrolling the chart horizontally along x-axis using jQuery-UI Slider.
If this doesn’t fulfill your requirement, could you please create a JSFiddle with your use-case and share it with us so that we can understand the scenario better and help you out?
—
Thangaraj Raman
Team CanvasJS