The following role was assigned to a user, But still not able to view WFFM module in Sitecore
Sitecore\Sitecore Client Developing
Sitecore\Sitecore Market Form Author
Sitecore\Sitecore Client Securing
Sitecore\Sitecore Client Forms author
Note: All these role was created with a custom role(SiteContentAuthor) and we also provided the field level restriction to other content items for the SiteContentAuthor role.