Whatsapp Integration

• Is it possible to use the mobile number, which is associated with my personal WhatsApp account, for WhatsApp Business account?
• How long it takes for Meta to approve the template?
• Why can’t I chat with my customer any time?
• Is it possible to recover my deleted WhatsApp template?
• How do I use the phone number for my WhatsApp Business account in Zoho ERP that I’ve already integrated with my WhatsApp personal or business account?