How to lock input template in BPC 7.5 NW

Hi Experts,

I'm wondering what is the easy way to lock the input template from users to change the numbers. We have a price forecast input template where users input the pricing information and after everybody enetered and the data reviewed, we want to lock the template from users changing it. We want them to look the prices but not change it.

We are using BPC 7.5 NW

Thanks in advance.

Sharif