Hi, James 

Firstly, I would like to sincerely apologize for the delayed response as we have been experiencing an unusually high number of tickets. I am sorry that it has taken longer than usual to respond to your concern and your patience is highly appreciated.

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We don't have an easy built-in feature to achieve limiting specific rows for a group of users,

but there is a custom workaround that we can suggest.

There is a workaround to add custom user roles,  then select a group of people that wil have that role,

and then by making a custom SQL Query for a Table,  you can filter the rows to only show for specific user row.

You could add custom user roles, through the Membership, and here is an example of a table.

If the dependency is a user role, for example, we could make it work.

If I have this table:

This is a manual table which has manually entered IDs from wp_users and roles from wp_usermeta:

So, then I go to create an SQL query based table which will display entries based on user roles using this query:

SELECT  new_table.id AS ID,    
    new_table.role AS Role,    
    new_table.product AS Product,  
      new_table.amount AS Amount
FROM wp_wpdatatable_6 AS new_table
JOIN wp_usermeta AS new_table_1
ON new_table_1.user_id = %CURRENT_USER_ID%
AND new_table_1.meta_value LIKE CONCAT('%', new_table.role, '%')

When I'm logged in with user ID = 1, I see this:

When I'm logged in with user ID = 4, I see the same thing. And when I'm logged in as one of the subscribers, I can only see the rows where role = subscriber:

The only difference is that as subscriber I don't have access to back-end, so this confirms it is working on both front and back.

So, we're only left with hiding unnecessary columns, adding names, and so on.

This is a custom solution, so we can only provide advise to get you started with this example,

unfortunately, we are not able to fully build a solution for our users,

as our support does not include writing SQL Queries.

We hope this helps.