This was possible in earlier versions of Odoo and can be done with "impersonate" modules from the community or "out of the box" on Odoo.sh with the "Connect as" option:

Hello Navneet, 

if you want to login other employee's account in that case you need to use third party module.

Find the free module : https://apps.odoo.com/apps/modules/15.0/hspl_user_simulation/

Thanks

Hi, 

You can set Home Action in User Profile (Specific Menu).

Thanks & Regards,  

Sunny