How to interpret KDE distribution graph?
Please find beautiful,  explanation about KDE,  In your graph on X Coordinateif the tail is stretching long towards right side then its positively skewed, it means most of your data points were distributed to left side and vise versa for negative skewness.

Always we needs to ensure that data points on the graph needs to be equally distributed to form Gaussian Normal Curvefor better outcome.
There are various techniques to get rid of skewness , please find top 3 methods to play around with skewed data .

Some prerequisites references for any Distribution Charts

Percentiles, Quartiles, and Interquartile
Range

Percentiles examples

Quartiles examples