The charts have a responsive design, adapting their layout to show detailed or summarized information based on the available space in the screen. 

In the following example, the size of the line chart is so small that it only shows a trend line:

Here is the same chart in full screen in the Desktop view:

Here is an example of the same chart in a Mobile view:

We don't have control over what can be seen or hidden when the chart is small. Qlik Sense automatically adjusts each object to give us the best visualizations. Switching the view of an object to full screen will show its hidden details, including axis labels, titles, grid lines, legends, and so on.