There's any command to "imitate" a different user without having to enter their password so you can see what they are seeing.
If you are using the Server version, you can install the Scriptrunner for JIRA plugin; one of the features is to imitate a user.
If you are using Cloud, then that functionality is built in: Log in as another user.
what is the feature we have to use in sciptrunner were we have to use could explain me once
Here is some information from the documentation:
https://scriptrunner.adaptavist.com/latest/jira/builtin-scripts.html#_switch_user
It is accessible from the Add-on settings, under the Scriptrunner section with the menu link "Built-in Scripts".
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