Grafana Drawbacks

We have tried with Grafana Tool , the beolw are the drawbacks we found , Can you please let me know if its possible to rectify the below issues ,

•Graph is generated only if Time-slot in X-axis

•Report with stacked bar chart not possible for multiple services .

•Report with stacked area is not possible.

•One report for each chart type is not possible.

Filtering on service group(tree like) is not possible.

Stacked mode works in both bar and area (till) mode.

Any filtering your datasource supports Grafana supports