Yes. It can be done.
MongoDB can easily be installed from within N99panel.
When MongoDB is installed, it would run on port No.: 27017 which would be globally accessible.
Upon successful installation of MongoDB, a MongoDB admin user will be created with a password. Details of the same would be shown when the installation is initiated.
You would need to use MongoDB Compass ( https://www.mongodb.com/products/tools/compass ) to manage MongoDB upon successful installation
You also have the option to change the password of the MongoDB admin user, after a successful installation
To use MongoDB from within your PHP scripts, you would need to choose PHP 8.1 (MongoDB) flavor, and your PHP script would need to connect to the MongoDB server’s private IP 172.16.26.1
MongoDB can also easily be used with NodeJS apps. To learn more about NodeJS, please cehckout this FAQ : https://n99panel.com/blog/ufaq/does-n99panel-support-nodejs/