customers giving some input, downloading a PDF file opening WhatsApp going to a specific group, and posting or replying to a specific customer in the group using zero work. is that possible, zoho invoice to WhatsApp group invoice sharing task ???

Basically i am doing some group of tasks like opening zoho account using sepcific email id (i have 3 accounts of zoho invoice, each i will do it back to back) and selecting the current invoice for specific customer, click on pay by searching the flat no for specific customer and once i generate the bill or invoice of payment i will share that downloaded .pdf and open the whatsapp in web.whatsapp.com and select the specific group like A Block, B Block etc etc and share that downloaded pdf to the specific group, is that acheivable pelase let me know its urgent. Thank You