I cannot see the print option for e-invoices and Bill receivables. How can I get the PDF files for e-invoices displayed in my dashboard?

To get the PDF files for e invoices and receivables, you need to follow the below steps: 
For E invoice view, print and PDF files: 
Step 1: Go to the Transactions menu.
Step 2: Under Transactions, locate and select GST Misc. Utilities.
Step 3: Inside GST Misc. Utilities, choose E Way Bill and E Invoice Management.
Step 4: In the next menu, click on Generate Print E Invoice.
Step 5: You will see the option Generate Print E Invoice. Select this option.
Step 6: Choose an e invoice to be generated automatically if that's your preference.
Step 7: In the voucher details section, select the voucher type.
Step 8: Specify the starting date and ending date for the vouchers you want to work with.
Step 9: Click Load List to view the vouchers within the specified date range.
Step 10: Select all the sales e invoice for which you want to print the e invoice.
Step 11: then you will find the option to view, print and you can save its as PDF an e invoice.
For receivables, print and PDF files: 
Step 1: From the Display choose Outstanding Analysis. This will open a new window or page. Choose Bills Receivable:
Step 2: In Bills Receivable and click on it. This will open the bills receivable analysis page. Select the Bill Receivable Basis:
Step 3: On the bills receivable analysis page, you will typically find options to select the basis for your outstanding bills receivable. 
Step 4: You mentioned that you can choose from: One Account, Group of Accounts, All Accounts
Step 5: Based on your preference, select one of the options: One Account, Group of Accounts, or All Accounts. Click on the option that suits your requirements.
Step 6: After selecting your basis, there should be a button or option to Load the List. Click this button to generate the list of outstanding bills receivable according to your selected basis.
Step 7: Once the list is loaded, you should be able to view the details of outstanding bills receivable based on your selected criteria. This list will typically include information such as bill numbers, due dates, amounts, and more.
Step 8: This step by step guide should help you access and display outstanding bills receivable in BUSY.