request body characters showing ? using fetch or request from quickbooks - node.js

Question

I am using quickbooks api in a node 10.16 environment.
I am trying to get the PDF through the API.
I am getting what looks like the correct response but when I open it it shows blank
I have downloaded a file using postman directly and that file works.
I have opened both files up using notepad++ and I can see some characters on my file have ? or a square where on the postman file I see a character.
This google folder has both files
This is the main code where I grab the information from the API using fetch
return fetch(url, fetchOptions).then((response) => {
if (response.ok) {
return response.text()
}
response.text() is where the bad decoding is happening because I have saved it directly to a file or tried decoding it with TextDecoder and it always gives me bad characters.
Here is what I have tested so far
return response.arrayBuffer().then(buffer => {
let decodedValue = new util.TextDecoder('utf-8').decode(buffer)
fs.writeFile('decodetest.pdf', decodedValue, (err) => {
// throws an error, you could also catch it here
if (err) throw err;
// success case, the file was saved
console.log('decode file saved!');
});
return decodedValue;
});
rp below is using a different package response-promise. Also giving the same results.
return rp(options)
.then(function (response) {
console.log("Did a new response");
response.body
fs.writeFile('requesttest.pdf', response.body, (err) => {
// throws an error, you could also catch it here
if (err) throw err;
// success case, the file was saved
console.log('request test file saved!');
});
})
.catch(function (err) {
// Delete failed...
});