@success127, don’t know if this solves your issue but here is an idea. Make a new Google account with Gmail address which only the employee processing payslips can access. For all employess this would be the email address used in the Employees module in the payslip business in Manager. For this new Google account a new folder is made in Google Drive for each employee. This is a couple of clicks but should be tolerable as is only done once. The folder sharing is set so only each employee’s personal email address can access the corresponding folder. An email rule is set up in the payslip Gmail inbox based on specific text in email Subject, like the name of the employee, which is used to save the attached PDF into each employee’s specific folder. This is all automatic.
The only “heavy lifting” is when payslips are sent out, but then the payslips employee would have to Ctrl-click View for each payslip so each payslip opens in new tab in a browser. All payslips are opened in a tab before starting to email. Then for each tab click email and close tab and repeat for next tab.
If an employee wants to access a payslip through Whatsapp, a link to their corresponding folder can be sent to them in Whatsapp and only that employee and no one else can authenticated with personal Gmail password.