How to hide specific info let under Asset through sandbox

Summary: We have created one custom role with limited privileges and it gives access to additions, Depreciation infolet under Fixed Asset . As per client requirement, we need to hide Additions infolet under Asset.

Please share the steps to hide specific infolet under Asset.

Content (required):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):