Greetings from Syncfusion.
We have analyzed the requested requirement. Currently we do not have support to achieve your requirement To wrap the vertical axis labels in chart, but we have logged a feature request on this. We are closing this incident now and it can be tracked through our feedback portal below.
Please cast your vote to make it count. We will prioritize the features every release based on the demands.
If you have any more specification/suggestions to the feature request, you can add it as a comment in the portal.