As it applies to being able to install Slack apps, it depends on how your company’s administrators have configured the Slack workspace. In some cases, any team member can add an app to Slack whereas in other situations, only certain individuals can add Slack apps (or approved apps).
For more information on how user roles and permissions in Slack, take a look at these resources:
Regardless how your company has configured user roles and permissions within its Slack workspace, Please Share provides a simple installation process. For more information, see How do you install the Please Share app?.